Document:

THIS SECURITY HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS
AMENDED. IT MAY NOT BE TRANSFERRED, RESOLD, HYPOTHECATED OR OTHERWISE DISPOSED
OF UNLESS IT HAS BEEN REGISTERED UNDER THAT ACT OR AN EXEMPTION FROM
REGISTRATION IS AVAILABLE.

                             TELENETICS CORPORATION

         8% Convertible Subordinated Unsecured Promissory Note due 2001

$_________________                                       Lake Forest, California
                                                              September 15, 2000

         FOR VALUE RECEIVED, the undersigned, TELENETICS CORPORATION, a
California corporation (the "COMPANY"), hereby promises to pay to
___________________________________________, or registered assigns, the
principal sum of ___________________________________________________
($___________), at maturity as set forth in SECTION 1 below, with interest
(computed on the basis of a 360-day year of twelve 30-day months) on the unpaid
principal amount hereof at the rate of 8% per annum.

         1. PAYMENTS. Interest on the unpaid principal portion of this Note will
accrue at a rate of 8% per annum and is payable in full at maturity on March 15,
2001. The undersigned may prepay all or part of the outstanding principal
balance of this Note, together with all accrued but unpaid interest thereon,
only in accordance with this Note. All payments of principal of and interest on
this Note shall be in such coin or currency of the United States of America as
at the time of payment shall be legal tender for payment of public and private
debts.

         2. CERTAIN DEFINITIONS. For purposes of this Note, the following terms
shall have the following respective meanings:

                  "COMMON STOCK" shall mean the Company's common stock, no par
value per share.

                  "SENIOR INDEBTEDNESS" shall mean the principal of and unpaid
interest on all indebtedness of the Company regardless of whether incurred on,
before or after the date of this Note (i) for money borrowed from any bank,
savings and loan or other financial institution, and is evidenced by notes,
bonds, debentures or other written obligations and (ii) in connection with any
renewals or extensions of any indebtedness described in (i) above; PROVIDED,
HOWEVER, that the term shall not include indebtedness which by the terms of the
instrument creating or evidencing it is subordinated to or on a parity with this
Note.

         3. SUBORDINATION. The provisions of this SECTION 3 apply
notwithstanding anything to the contrary contained in this Note. The Company
covenants and agrees, and the holder of this Note, by such holder's acceptance
hereof, likewise covenants and agrees, that the indebtedness represented by this
Note and the payment of the principal of and interest on this Note are hereby
expressly made subordinate and subject in right of the prior payment in full of
all Senior Indebtedness.

<PAGE>

         4. DEFAULT.

                  4.1 EVENTS OF DEFAULT. If any of the following events (herein
called "EVENTS OF DEFAULT") shall occur:

                           (a) the Company shall default in the payment of any
part of the principal of or interest on this Note;

                           (b) a court having jurisdiction in the premises shall
enter a decree or order for relief in respect of the Company in an involuntary
case under any applicable bankruptcy, insolvency or other similar law now or
hereafter in effect, or appointing a receiver, liquidator, assignee, custodian,
trustee, sequestrator (or similar official) of the Company or for any
substantial part of its property, or ordering the winding-up or liquidation of
its affairs, and such decree or order shall remain unstayed and in effect for a
period of sixty (60) consecutive days; or

                           (c) the Company shall commence a voluntary case under
any applicable bankruptcy, insolvency or other similar law now or hereafter in
effect, shall consent to the entry of an order for relief in an involuntary case
under any such law, or shall consent to the appointment of or taking possession
by a receiver, liquidator, assignee, trustee, custodian, sequestrator (or other
similar official) of the Company or for any substantial part of its property, or
shall make any general assignment for the benefit of creditors, or shall fail
generally to pay its debts as they become due, or shall take any corporate
action in furtherance of any of the foregoing;

then and in any such event the holder of this Note may at any time (unless all
defaults theretofore or thereupon shall have been remedied) at its option, by
written notice to the Company, declare this Note to be due and payable,
whereupon the same shall forthwith mature and become due and payable without
presentment, demand, protest or other notice, all of which are hereby waived.

                  4.2 REMEDIES ON AND NOTICES OF DEFAULT. Subject to the
provisions of SECTION 3, in case any one or more Events of Default shall occur,
the holder of this Note may proceed to protect and enforce the rights of such
holder by a suit in equity, action at law or other appropriate proceeding,
whether for the specific performance of any agreement contained in this Note, or
for an injunction against a violation of any of the terms or provisions hereof
or thereof, or in aid of the exercise of any power granted hereby or thereby or
by law. In case of a default under this Note, the Company will pay to the holder
of this Note such further amount as shall be sufficient to cover the reasonable
cost and expense of enforcement, including, without limitation, reasonable
attorneys' fees. If the holder of this Note shall give any notice or take any
other action in respect of a claimed default, the Company shall forthwith give
written notice thereof to all other holders of similarly subordinated notes at
the time outstanding, describing the notice or action and the nature of the
claimed default. No course of dealing and no delay on the part of any holder of
this Note in exercising any right shall operate as a waiver thereof or otherwise
prejudice such holder's rights or the rights of the holder of any similarly
subordinated notes. No remedy conferred by this Note upon the holder shall be
exclusive of any other remedy referred to herein or now or hereafter available
at law, in equity, by statute or otherwise.

                                       2

<PAGE>

         5. CONVERSION. Any holder of this Note may convert all or any portion
of the outstanding principal amount of this Note and accrued and unpaid interest
thereon into a number of shares of the Company's Common Stock computed by
dividing such principal amount by $1.625.

         6. LIQUIDATING DIVIDENDS. If the Company declares or pays a dividend
upon the Common Stock payable otherwise than in cash out of earnings or earned
surplus (determined in accordance with generally accepted accounting principles,
consistently applied) except for a stock dividend payable in shares of Common
Stock (a "Liquidating Dividend"), then the Company will pay to the holder of
this Note at the time of payment thereof the Liquidating Dividends which would
have been paid on the Common Stock had the entire outstanding principal amount
of this Note been converted immediately prior to the date on which a record is
taken for such Liquidating Dividend, or, if no record is taken, the date as of
which the record holders of Common Stock entitled to such dividends are to be
determined.

         7. MISCELLANEOUS.

                  (a) This Note shall be governed by and construed in accordance
with the laws of the State of California. If any one or more of the provisions
contained in this Note shall for any reason be found by a court of competent
jurisdiction to be invalid, illegal or unenforceable in any respect, the parties
agree that such court may modify such provision to the extent necessary to make
it valid, legal and enforceable. In any event, such provision shall be separable
and shall not limit or affect the validity, legality or enforceability of any
other provision hereunder.

                  (b) If this Note is collected by law or through an attorney
for collection or enforcement, the holder hereof shall be entitled to collect
reasonable attorneys' fees and all costs of collection from the Company. The
Company hereby waives presentment for payment, notice of nonpayment, protest and
notice of protest.

                  (c) Unless otherwise specifically stated herein, all notices,
demands, payments or other communications to be given or delivered pursuant to
this Note shall be in writing and shall be given to the Company at its principal
executive offices and to the holder of this Note at the holder's last known
address as shown in the records of the Company.

                  (d) All of the covenants contained herein shall bind the
Company, its successors and assigns.

                                       3

<PAGE>

         IN WITNESS WHEREOF, the Company has executed and delivered this Note on
the date first written above.

                                              TELENETICS CORPORATION

                                              By:
                                                  ---------------------------
                                                  Terry Parker, President and
                                                  Chief Executive Officer

Acknowledged and agreed:

Signature:______________________________

Print Name:____________________________

Date:__________________________________

                                       4THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES
ACT OF 1933, AS AMENDED ("1933 ACT"), OR ANY STATE SECURITIES LAWS AND SHALL NOT
BE SOLD, PLEDGED, HYPOTHECATED, DONATED, OR OTHERWISE TRANSFERRED, WHETHER OR
NOT FOR CONSIDERATION, BY THE HOLDER EXCEPT UPON THE ISSUANCE TO THE COMPANY OF
A FAVORABLE OPINION OF ITS COUNSEL OR THE SUBMISSION TO THE COMPANY OF SUCH
OTHER EVIDENCE AS MAY BE SATISFACTORY TO COUNSEL FOR THE COMPANY, IN EITHER
CASE, TO THE EFFECT THAT ANY SUCH TRANSFER SHALL NOT BE IN VIOLATION OF THE 1933
ACT AND APPLICABLE STATE SECURITIES LAWS.

                             TELENETICS CORPORATION

                          Common Stock Purchase Warrant
                                       to
                             Purchase _______ Shares
                                       of
                                  Common Stock

                This Common Stock Purchase Warrant is issued to:

                            ------------------------

                              --------------------

                              --------------------

by TELENETICS CORPORATION, a California corporation (hereinafter called the
"Company", which term shall include its successors and assigns).

         FOR VALUE RECEIVED and subject to the terms and conditions hereinafter
set out, the registered holder of this Warrant as set forth on the books and
records of the Company (the "Holder") is entitled upon surrender of this Warrant
to purchase from the Company __________ __________________________ (______)
fully paid and nonassessable shares of Common Stock, no par value per share (the
"Common Stock"), at the Exercise Price (as defined below) per share.

         This Warrant shall expire at the close of business on September 15,
2002.

         1. (a) The right to purchase shares of Common Stock represented by this
Warrant may be exercised by the Holder, in whole or in part, by the surrender of
this Warrant (properly endorsed if required) at the principal office of the
Company at 25111 Arctic Ocean, Lake Forest, California 92630 (or such other
office or agency of the Company as it may designate by notice in writing to the
Holder at the address of the Holder appearing on the books of the Company), and
upon payment to the Company, by cash or by certified check or bank draft, of the
Exercise Price for such shares. The Company agrees that the shares of Common
Stock so purchased shall be deemed to be issued to the Holder as the record
owner of such shares of Common Stock as of the close of business on the date on

<PAGE>

which this Warrant shall have been surrendered and payment made for such shares
of Common Stock as aforesaid. Certificates for the shares of Common Stock so
purchased (together with a cash adjustment in lieu of any fraction of a share)
shall be delivered to the Holder within a reasonable time, not exceeding five
(5) business days, after the rights represented by this Warrant shall have been
so exercised, and, unless this Warrant has expired, a new Warrant representing
the number of shares of Common Stock, if any, with respect to which this Warrant
shall not then have been exercised, in all other respects identical with this
Warrant, shall also be issued and delivered to the Holder within such time, or,
at the request of the Holder, appropriate notation may be made on this Warrant
and the same returned to the Holder.

                  (b) This Warrant may be exercised to acquire, from and after
the date hereof, the number of shares of Common Stock set forth on the first
page hereof (subject to adjustments described in this Warrant); provided,
however, the right hereunder to purchase such shares of Common Stock shall
expire at 5:00 p.m. Lake Forest, California time on September 15, 2002.

         2. This Warrant is being issued by the Company pursuant to the terms of
the Company's Confidential Private Placement Memorandum dated September 15, 2000
(the "Memorandum").

         3. The Company covenants and agrees that all Common Stock upon issuance
against payment in full of the Exercise Price by the Holder pursuant to this
Warrant will be validly issued, fully paid and nonassessable and free from all
taxes, liens and charges with respect to the issue thereof (except to the extent
resulting from the Holder's own circumstances, actions or omissions). The
Company covenants and agrees that during the period within which the rights
represented by this Warrant may be exercised, the Company will have at all times
authorized, and reserved for the purpose of issue or transfer upon exercise of
the rights evidenced by this Warrant, a sufficient number of shares of Common
Stock to provide for the exercise of the rights represented by this Warrant, and
will procure at its sole expense upon each such reservation of shares the
listing thereof (subject to issuance or notice of issuance) on all stock
exchanges on which the Common Stock is then listed or inter-dealer trading
systems on which the Common Stock is then traded. The Company will take all such
action as may be necessary to assure that such shares of Common Stock may be so
issued without violation of any applicable law or regulation, or of any
requirements of any national securities exchange upon which the Common Stock may
be listed or inter-dealer trading system on which the Common Stock is then
traded. The Company will not take any action which would result in any
adjustment in the number of shares of Common Stock purchasable hereunder if the
total number of shares of Common Stock issuable pursuant to the terms of this
Warrant after such action upon full exercise of this Warrant and, together with
all shares of Common Stock then outstanding and all shares of Common Stock then
issuable upon exercise of all options and other rights to purchase shares of
Common Stock then outstanding, would exceed the total number of shares of Common
Stock then authorized by the Company's Restated and Amended Articles of
Incorporation, as then amended.

         4. The Initial Exercise Price is $3.25 per share of Common Stock
("Initial Exercise Price"). The Initial Exercise Price shall be adjusted as
provided for below in this Section 4 (the Initial Exercise Price, and the
Initial Exercise Price, as thereafter then adjusted, shall be referred to as the
"Exercise Price") and the Exercise Price from time to time shall be further

                                       2

<PAGE>

adjusted as provided for below in this Section 4. Upon each adjustment of the
Exercise Price, the Holder shall thereafter be entitled to receive upon exercise
of this Warrant, at the Exercise Price resulting from such adjustment, the
number of shares of Common Stock obtained by (i) multiplying the Exercise Price
in effect immediately prior to such adjustment by the number of shares of Common
Stock purchasable hereunder immediately prior to such adjustment, and (ii)
dividing the product thereof by the Exercise Price resulting from such
adjustment. The Exercise Price shall be adjusted as follows:

                  (i) In the case of any amendment to the Company's Restated and
         Amended Articles of Incorporation to change the designation of the
         Common Stock or the rights, privileges, restrictions or conditions in
         respect to the Common Stock or division of the Common Stock, this
         Warrant shall be adjusted so as to provide that upon exercise thereof,
         the Holder shall receive, in lieu of each share of Common Stock
         theretofore issuable upon such exercise, the kind and amount of shares,
         other securities, money and property receivable upon such designation,
         change or division by the Holder issuable upon such exercise had the
         exercise occurred immediately prior to such designation, change or
         division. This Warrant shall be deemed thereafter to provide for
         adjustments which shall be as nearly equivalent as may be practicable
         to the adjustments provided for in this Section 4. The provisions of
         this Subsection 4(i) shall apply in the same manner to successive
         reclassifications, changes, consolidations and mergers.

                  (ii) If the Company shall at any time subdivide its
         outstanding shares of Common Stock into a greater number of shares of
         Common Stock, or declare a dividend or make any other distribution upon
         the Common Stock payable in shares of Common Stock, the Exercise Price
         in effect immediately prior to such subdivision or dividend or other
         distribution shall be proportionately reduced, and conversely, in case
         the outstanding shares of Common Stock shall be combined into a smaller
         number of shares of Common Stock, the Exercise Price in effect
         immediately prior to such combination shall be proportionately
         increased.

                  (iii) If any capital reorganization or reclassification of the
         capital stock of the Company, or any consolidation or merger of the
         Company with or into another corporation or other entity, or the sale
         of all or substantially all of the Company's assets to another
         corporation or other entity shall be effected in such a way that
         holders of shares of Common Stock shall be entitled to receive stock,
         securities, other evidence of equity ownership or assets with respect
         to or in exchange for shares of Common Stock, then, as a condition of
         such reorganization, reclassification, consolidation, merger or sale
         (except as otherwise provided below in this Section 4), lawful and
         adequate provisions shall be made whereby the Holder shall thereafter
         have the right to receive upon the exercise hereof upon the basis and
         upon the terms and conditions specified herein, such shares of stock,
         securities, other evidence of equity ownership or assets as may be
         issued or payable with respect to or in exchange for a number of
         outstanding shares of such Common Stock equal to the number of shares
         of Common Stock immediately theretofore purchasable and receivable upon

                                       3

<PAGE>

         the exercise of this Warrant under this Section 4 had such
         reorganization, reclassification, consolidation, merger or sale not
         taken place, and in any such case appropriate provisions shall be made
         with respect to the rights and interests of the Holder to the end that
         the provisions hereof (including, without limitation, provisions for
         adjustments of the Exercise Price and of the number of shares of Common
         Stock receivable upon the exercise of this Warrant) shall thereafter be
         applicable, as nearly as may be, in relation to any shares of stock,
         securities, other evidence of equity ownership or assets thereafter
         deliverable upon the exercise hereof (including an immediate
         adjustment, by reason of such consolidation or merger, of the Exercise
         Price to the value for the Common Stock reflected by the terms of such
         consolidation or merger if the value so reflected is less than the
         Exercise Price in effect immediately prior to such consolidation or
         merger). Subject to the terms of this Warrant, in the event of a merger
         or consolidation of the Company with or into another corporation or
         other entity as a result of which the number of shares of common stock
         of the surviving corporation or other entity issuable to holders of
         Common Stock, is greater or lesser than the number of shares of Common
         Stock outstanding immediately prior to such merger or consolidation,
         then the Exercise Price in effect immediately prior to such merger or
         consolidation shall be adjusted in the same manner as though there were
         a subdivision or combination of the outstanding shares of Common Stock.
         The Company shall not effect any such consolidation, merger or sale,
         unless, prior to the consummation thereof, the successor corporation
         (if other than the Company) resulting from such consolidation or merger
         or the corporation purchasing such assets shall assume by written
         instrument executed and mailed or delivered to the Holder, the
         obligation to deliver to the Holder such shares of stock, securities,
         other evidence of equity ownership or assets as, in accordance with the
         foregoing provisions, the Holder may be entitled to receive or
         otherwise acquire. If a purchase, tender or exchange offer is made to
         and accepted by the holders of more than fifty (50%) percent of the
         outstanding shares of Common Stock, the Company shall not effect any
         consolidation, merger or sale with the person having made such offer or
         with any affiliate of such person, unless prior to the consummation of
         such consolidation, merger or sale the Holder of this Warrant shall
         have been given a reasonable opportunity to then elect to receive upon
         the exercise of this Warrant the amount of stock, securities, other
         evidence of equity ownership or assets then issuable with respect to
         the number of shares of Common Stock in accordance with such offer.

                  (iv) In case the Company shall, at any time prior to exercise
         of this Warrant, consolidate or merge with any other corporation or
         other entity (where the Company is not the surviving entity) or
         transfer all or substantially all of its assets to any other
         corporation or other entity, then the Company shall, as a condition
         precedent to such transaction, cause effective provision to be made so
         that the Holder of this Warrant upon the exercise of this Warrant after
         the effective date of such transaction shall be entitled to receive the
         kind and amount of shares, evidences of indebtedness and/or other
         securities or property receivable on such transaction by a holder of
         the number of shares of Common Stock as to which this Warrant was
         exercisable immediately prior to such transaction (without giving

                                       4

<PAGE>

         effect to any restriction upon such exercise); and, in any such case,
         appropriate provision shall be made with respect to the rights and
         interest of the Holder of this Warrant to the end that the provisions
         of this Warrant shall thereafter be applicable (as nearly as may be
         practicable) with respect to any shares, evidences of indebtedness or
         other securities or assets thereafter deliverable upon exercise of this
         Warrant. Upon the occurrence of any event described in this Section
         4(iv), the holder of this Warrant shall have the right to (i) exercise
         this Warrant immediately prior to such event at an Exercise Price equal
         to lesser of (1) the then Exercise Price or (2) the price per share of
         Common Stock paid in such event, or (ii) retain ownership of this
         Warrant, in which event, appropriate provisions shall be made so that
         the Warrant shall be exercisable at the Holder's option into shares of
         stock, securities or other equity ownership of the surviving or
         acquiring entity.

         Whenever the Exercise Price shall be adjusted pursuant to this Section
4, the Company shall issue a certificate signed by its President or Vice
President and by its Treasurer, Assistant Treasurer, Secretary or Assistant
Secretary, setting forth, in reasonable detail, the event requiring the
adjustment, the amount of the adjustment, the method by which such adjustment
was calculated (including a description of the basis on which the Board of
Directors of the Company made any determination hereunder), and the Exercise
Price after giving effect to such adjustment, and shall cause copies of such
certificates to be mailed (by first-class mail, postage prepaid) to the Holder
of this Warrant. The Company shall make such certificate and mail it to the
Holder promptly after each adjustment.

         No fractional shares of Common Stock shall be issued in connection with
any exercise of this Warrant, but in lieu of such fractional shares, the Company
shall make a cash payment therefor equal in amount to the product of the
applicable fraction multiplied by the Exercise Price then in effect.

         5. In the event the Company grants rights (other than rights granted
pursuant to a shareholder rights or poison pill plan) to all shareholders to
purchase Common Stock, the Holder shall have the same rights as if this Warrant
had been exercised immediately prior to such grant.

         6. The Holder shall, with respect to the shares of Common Stock
issuable upon the exercise of this Warrant, have the registration rights set
forth in the Unit Purchase Agreement between the Company and the Holder pursuant
to which the Company is, among other things, issuing this Warrant. Such
registration rights are incorporated herein by this reference as if such
provisions had been set forth herein in full.

         7. This Warrant need not be changed because of any change in
the Exercise Price or in the number of shares of Common Stock purchased
hereunder.

         8. The terms defined in this paragraph, whenever used in this Warrant,
shall, unless the context otherwise requires, have the respective meanings
hereinafter specified. The term "Common Stock" shall mean and include the
Company's Common Stock, no par value per share, authorized on the date of the
original issue of this Warrant and shall also include in case of any
reorganization, reclassification, consolidation, merger or sale of assets of the
character referred to in Section 4 hereof, the stock, securities or assets
provided for in such paragraph. The term "Company" shall also include any

                                       5

<PAGE>

successor corporation to Telenetics Corporation by merger, consolidation or
otherwise. The term "outstanding" when used with reference to Common Stock shall
mean at any date as of which the number of shares thereof is to be determined,
all issued shares of Common Stock, except shares then owned or held by or for
the account of the Company. The term "1933 Act" shall mean the Securities Act of
1933, as amended, or any successor Federal statute, and the rules and
regulations of the Securities and Exchange Commission, or any other Federal
agency then administering the 1933 Act, thereunder, all as the same shall be in
effect at the time.

         9. This Warrant is exchangeable, upon the surrender hereby by the
Holder at the office or agency of the Company, for new Warrants of like tenor
representing in the aggregate the right to subscribe for and purchase the number
of shares of Common Stock which may be subscribed for and purchased hereunder,
each of such new Warrants to represent the right to subscribe for and purchase
such number of shares of Common Stock as shall be designated by the Holder at
the time of such surrender. Upon receipt of evidence satisfactory to the Company
of the loss, theft, destruction or mutilation of this Warrant or any such new
Warrants and, in the case of any such loss, theft, or destruction, upon delivery
of a bond of indemnity, reasonably satisfactory to the Company, or, in the case
of any such mutilation, upon surrender or cancellation of this Warrant or such
new Warrants, the Company will issue to the Holder a new Warrant of like tenor,
in lieu of this Warrant or such new Warrants, representing the right to
subscribe for and purchase the number of shares of Common Stock which may be
subscribed for and purchased hereunder.

         10. The Company agrees to use its best efforts to file timely all
reports required to be filed by it pursuant to Sections 13 or 15 of the
Securities Exchange Act of 1934, as amended, and to provide such information as
will permit the Holder to sell this Warrant or any shares of Common Stock
acquired upon exercise of this Warrant in accordance with Rule 144 under the
1933 Act.

         11. The Company will at no time close its transfer books against the
transfer of this Warrant or of any shares of Common Stock issued or issuable
upon the exercise of this Warrant in any manner which interferes with the timely
exercise of this Warrant. This Warrant shall not entitle the Holder to any
voting rights or any rights as a shareholder of the Company. The rights and
obligations of the Company, of the Holder, and of any holder of shares of Common
Stock issuable hereunder, shall survive the exercise of this Warrant.

         12. This Warrant sets forth the entire agreement of the Company and the
Holder of the Common Stock issuable upon the exercise of this Warrant with
respect to the rights of the Holder and the Common Stock issuable upon the
exercise of this Warrant, notwithstanding the knowledge of such Holder of any
other agreement or the provisions of any agreement, whether or not known to the
Holder, and the Company represents that there are no agreements inconsistent
with the terms hereof or which purport in any way to bind the Holder of this
Warrant or the Common Stock.

         13. The validity, interpretation and performance of this Warrant and
each of its terms and provisions shall be governed by the laws of the State of
California.

                                       6

<PAGE>

         IN WITNESS WHEREOF, the Company has caused this Warrant to be signed by
its duly authorized officer under its corporate seal and dated as of __________,
2000.

                                                  TELENETICS CORPORATION

                                                  By:
                                                      --------------------------
                                                      Name: Terry Parker
                                                      Title: President

                                       7

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