Task: Schema-Matching (source dataset: prospect)

Task: 
Please identify the matching columns between Table A and Table B. For each column in Table A, specify the corresponding column in Table B. If a column in A has no corresponding column in Table B, you can map it to null. Represent each column mapping using a pair of column headers in a list, i.e., [Table A Column, Table B column or null]. Provide the mapping for each column in Table A and return all mappings in a list.

No explanation and return the matching columns in a structured JSON format: {"column_mappings": <a list of column pairs>}.

TableA:
| AgencyID   | CreditRating   | PostalCode   | NumberChildren   | Employer             | MiddleInitial   | LastName   | AddressLine1       |         NetWorth | Phone          | Gender   | Country               | FirstName   | NumberCars   | City          | AddressLine2   | State                |   Income |
|:-----------|:---------------|:-------------|:-----------------|:---------------------|:----------------|:-----------|:-------------------|-----------------:|:---------------|:---------|:----------------------|:------------|:-------------|:--------------|:---------------|:---------------------|---------:|
| PEL0       | 347.0          | T6b1iw       | 2.0              | Brinos               |                 | PELLANv    | 11847olympiadtreeh |      3.60194e+06 | 1 712 522 6088 | f        | UnotedStatesitAm3rica | Nstti       |              | Fairbagks     |                | MA                   |   368776 |
| LED1       | 432.0          | 77281        | 8.0              |                      |                 | LEDUv      | 245coggressco8gt   |      4.15321e+06 | 1 626 426 4298 | F        | hn7tedStxtesofAkerica | TRhDY       | 2.0          | Quebfc        | APT. 624       | PA                   |   177967 |
| lat2       | 570.0          | 91355        | 5.0              |                      |                 | latie      | 65w7fdail8ngwest   | 301735           | 1 524 787 8784 |          | UmitevStstesofAkerica | irelxnd     | 1.0          | Hendefson     |                | Alberta              |   321772 |
| RUD3       |                | 36615        | 2.0              | Ai4P4oduvtsChemjcals |                 | RUDDICi    | 1w449nlapockpark   |      1.8639e+06  | 1 741 997 1688 |          | Canafa                | Mistj       | 1.0          | Sxlem         |                | AR                   |    25449 |
| JAY4       | 541.0          | t6z1i3       | 1.0              | 8shkosh              | M               | JAYxMANNE  | 18354doddfourf     |      2.44414e+06 | 1 002 194 1991 | f        | Cansda                | sarenq      | 4.0          | Tolexo        | Apt. 619       | OR                   |   166567 |
| tod5       | 633.0          | A2b1g3       | 4.0              |                      | Z               | todo       | 141175oxbo5ost3eet |      1.70207e+06 | 1 441 371 7651 | M        | UhiyedStatesofAherlca | Paulerte    | 6.0          | CorpusChrjs4i |                | VA                   |    43631 |
| Kan6       | 514.0          | 49513        | 10.0             | VedaSunfnergy        | R               | Kqnno      | 24607FiORENCEWEwT  |      2.5848e+06  | 1 957 940 5980 | m        | Camada                | AnALITA     | 3.0          | SaltLauesity  |                | OH                   |   466230 |
| Din7       | 602.0          | j5d1v6       | 4.0              | IDT                  | Z               | Dinkep     | 648oalplewpoddrive |      3.62058e+06 | 1 768 633 4096 |          | UnitedSta4ssofAjerisa | Ernest9     | 4.0          | Broqnsvilke   |                | Prince Edward Island |   420243 |
| Thi8       | 419.0          | V6c1qw       |                  | AdameReso6fcesEnfrgy |                 | Thibodezus | 1740tgalecou3t     | 580243           | 1 107 689 2155 |          | UmitedSta5esofAm4r9ca | Toby        | 7.0          | Eqcondido     |                | NV                   |   141862 |
| May9       | 471.0          | 99716        | 5.0              | MGIdIncestment       |                 | Mayo       | 15913alexisqtre46  |      5.70207e+06 | 1 173 594 6096 |          | UnitedStatex0rAmericz | evangeliz   | 0.0          | LoaAnteles    |                | Ontario              |   402011 |

TableB:
| prospect_gncd   |   prospect_crdtrtng | prospect_pstlcd   | prospect_nmbrchldrn   | prospect_mplr                  | prospect_mddlntl   | prospect_lstnm                | prospect_ddrssln1                                                           |   prospect_ntwrth | prospect_phn   | prospect_gndr   | prospect_cntr            | prospect_frstnm             |   prospect_nmbrcrs | prospect_ct   | prospect_mrtlstts   |   prospect_g | prospect_wnrrntflg   | prospect_nmbrcrdtcrds   |
|:----------------|--------------------:|:------------------|:----------------------|:-------------------------------|:-------------------|:------------------------------|:----------------------------------------------------------------------------|------------------:|:---------------|:----------------|:-------------------------|:----------------------------|-------------------:|:--------------|:--------------------|-------------:|:---------------------|:------------------------|
| Iok7501         |                 580 | Guudshirvcu       |                       | FM Global                      | n                  | Iokwiqojocjanndatkdzgymym     | jsurlejkapodmkaccruslfkcqmbcquahsyweopxdxknl                                |  321776           | 1-637-119-9996 |                 | United States of America | wbwsqgtaa                   |                  3 | Baltimore     | U                   |            7 | U                    |                         |
| tia7502         |                 683 | wyggjewbe         | 4.0                   | MGIC Investment                |                    | tiabxgseasiibxakctfzhfwotp    | Ggptcoorkpeeigqzevhwhjdxdfbrmidyxsugikhgmuvvpcptuphjlgmipvhrrsgepibdupa     |       2.29232e+06 | 1-560-405-0048 | M               | Canada                   | QGJWCPAPZMWHYHZTNOYSSOQBI   |                  4 | Kitchener     | S                   |           48 | R                    | 2.0                     |
| AOI7503         |                 411 | YMZRQICUTHT       | 5.0                   | Ross Stores                    | u                  | AOIWIWTIHIXOJ                 | Gpcvjzlwouagawronludakqiuhbrbpbkkltrnlkoezgwcawpayfsnejpkmisnryphbtztbfemoy |  969707           | 1-261-306-5079 |                 |                          | BHGXDDPUMBESLQMNEPREPTZNNKM |                  1 | Saint John    | M                   |           14 | O                    | 2.0                     |
| PJQ7504         |                 818 | Bcjuycmcen        | 5.0                   |                                |                    | PJQSPMBUHYQKBOZ               | Yxkhkvrobywpdczvwmjgxvnuduavcpyiuceglhaskahgyxqpqjbdroyojouqkzfwvfpsddisy   |       3.89946e+06 | 1-642-299-6655 | m               | United States of America | Xgnvppcxgfnmawlupgfa        |                  4 | Berkeley      | W                   |           29 | U                    | 9.0                     |
| SDV7505         |                 370 | Nujxguyehf        | 4.0                   | Alliance One International     |                    | SDVLJWXENNGWCQMIW             | Ddsarhvraiskwmrddncqwvzkmjmxtgnpbtgyop                                      |       3.74922e+06 |                |                 | United States of America | Tfiozpstcftslqtwkgngiiwo    |                  2 | Missoula      | U                   |           69 | R                    | 7.0                     |
| Hga7506         |                 833 | Neigswk           | 0.0                   | Sally Beauty Holdings          | F                  | Hgakmykzeunwkiaxayulpwyxrcuev | Ajpkrmtlcbdzr                                                               |       3.65853e+06 | 1-388-257-4273 | F               |                          | fbcahlrhhjoslfzqvvwwvhk     |                  0 | Salinas       | U                   |           47 | O                    | 6.0                     |
| Beo7507         |                 536 | WNCEOQPLW         | 5.0                   | Wisconsin Energy               | D                  | Beotomyndkiqryllkvpavllytov   | PKSTPUXQIRGWSXSKWRAJTTNBAOLQKAAJFAPGWIHBWVCHOXLE                            |       1.73846e+06 |                | M               | Canada                   | Dcgkohfcwyoaxckalqnkrzwq    |                  5 | San Jose      | M                   |            0 | U                    | 2.0                     |
| Qum7508         |                 775 | Cskdwtkf          | 0.0                   | Carpenter Technology           |                    | Qumxrssnd                     | gyhrpdbplficrfirmtavitgpfmhnnhvsuoqwxrulxlqrdqkzshqovucentrxlakgkpwbrgtd    |       3.3073e+06  | 1-632-118-1891 |                 | United States of America | Vmnmcsinflxxmmifydckncc     |                  0 | Cleveland     | S                   |           46 | R                    | 0.0                     |
| Hud7509         |                 765 | tcxswloetdt       | 1.0                   | Liberty Mutual Insurance Group | v                  | Hudlpfwjagzbnznyhamjkhbf      | GJTWIDOQOAPDVVULJGOOJBWTTANDJXOCQHWWZAGLGMJQXJOMWFTFVGXIH                   |       1.81642e+06 | 1-853-806-4986 |                 | United States of America | Vrkbkkxkddtximspigmlbwzt    |                  1 | Huntington    | M                   |            6 | R                    | 3.0                     |
| jba7510         |                 555 | Fkpemasoukih      | 2.0                   | Black & Decker                 |                    | jbabemsfwdyeihxq              | Ycltsquohmuugxihqyluhkoy                                                    |       2.59925e+06 | 1-220-687-2027 | m               | Canada                   | RMWCTFTLSVTMCBI             |                  5 | Paterson      | M                   |           22 | O                    | 6.0                     |



source_headers: AgencyID
CreditRating
PostalCode
NumberChildren
Employer
MiddleInitial
LastName
AddressLine1
NetWorth
Phone
Gender
Country
FirstName
NumberCars
City
target_headers: prospect_gncd
prospect_crdtrtng
prospect_pstlcd
prospect_nmbrchldrn
prospect_mplr
prospect_mddlntl
prospect_lstnm
prospect_ddrssln1
prospect_ntwrth
prospect_phn
prospect_gndr
prospect_cntr
prospect_frstnm
prospect_nmbrcrs
prospect_ct
column_mappings: AgencyID
prospect_gncd
CreditRating
prospect_crdtrtng
PostalCode
prospect_pstlcd
NumberChildren
prospect_nmbrchldrn
Employer
prospect_mplr
MiddleInitial
prospect_mddlntl
LastName
prospect_lstnm
AddressLine1
prospect_ddrssln1
NetWorth
prospect_ntwrth
Phone
prospect_phn
Gender
prospect_gndr
Country
prospect_cntr
FirstName
prospect_frstnm
NumberCars
prospect_nmbrcrs
City
prospect_ct
output: {"column_mappings": [["AgencyID", "prospect_gncd"], ["CreditRating", "prospect_crdtrtng"], ["PostalCode", "prospect_pstlcd"], ["NumberChildren", "prospect_nmbrchldrn"], ["Employer", "prospect_mplr"], ["MiddleInitial", "prospect_mddlntl"], ["LastName", "prospect_lstnm"], ["AddressLine1", "prospect_ddrssln1"], ["NetWorth", "prospect_ntwrth"], ["Phone", "prospect_phn"], ["Gender", "prospect_gndr"], ["Country", "prospect_cntr"], ["FirstName", "prospect_frstnm"], ["NumberCars", "prospect_nmbrcrs"], ["City", "prospect_ct"], ["AddressLine2", null], ["State", null], ["Income", null]]}