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   | LastName   | FirstName   | MiddleInitial   | Gender   | AddressLine1         | AddressLine2   | PostalCode   | City           | State                | Country                  | Phone          |   Income | NumberCars   | NumberChildren   | MaritalStatus   | Age   | CreditRating   | OwnOrRentFlag   | Employer                 | NumberCreditCards   |         NetWorth |
|:-----------|:-----------|:------------|:----------------|:---------|:---------------------|:---------------|:-------------|:---------------|:---------------------|:-------------------------|:---------------|---------:|:-------------|:-----------------|:----------------|:------|:---------------|:----------------|:-------------------------|:--------------------|-----------------:|
| PEL0       | PELLAND    | Netti       |                 | f        | 21847 olympia street |                | T6b 1i1      | Fairbanks      | MA                   | United States of America | 1-712-522-6088 |   368776 |              | 3.0              | W               | 20.0  | 760.0          | O               | Brink's                  |                     |      1.05887e+06 |
| LED1       | LEDUC      | TRUDY       |                 | F        | 245 congress court   | APT. 624       | 77281        | Quebec         | PA                   | United States of America | 1-626-426-4298 |   177967 | 5.0          | 1.0              | U               | 3.0   | 555.0          | U               |                          | 6.0                 |      1.98818e+06 |
| lat2       | latif      | ireland     |                 |          | 6517 frailing west   |                | 91355        | Henderson      | Alberta              | United States of America | 1-524-787-8784 |   321772 | 2.0          | 1.0              | S               |       | 566.0          | O               |                          | 6.0                 |      3.67313e+06 |
| RUD3       | RUDDICK    | Misti       |                 |          | 11449 blalock park   |                | 36615        | Salem          | AR                   | Canada                   | 1-741-997-1688 |    25449 | 2.0          | 1.0              | W               | 77.0  |                | O               | Air Products & Chemicals | 3.0                 |      2.0059e+06  |
| JAY4       | JAYAMANNE  | sarena      | M               | f        | 18354 dodd court     | Apt. 619       | t6a 1i3      | Toledo         | OR                   | Canada                   | 1-002-194-1991 |   166567 | 0.0          | 3.0              | M               | 21.0  | 815.0          | O               | Oshkosh                  | 4.0                 | 624736           |
| tod5       | todo       | Paulette    | Z               | M        | 14117 roxboro street |                | A2b 1v3      | Corpus Christi | VA                   | United States of America | 1-441-371-7651 |    43631 | 1.0          | 4.0              | M               | 77.0  | 333.0          | R               |                          | 10.0                |      3.06462e+06 |
| Kan6       | Kanno      | AMALITA     | R               | m        | 24697 FLORENCE WEST  |                | 49513        | Salt Lake City | OH                   | Canada                   | 1-957-940-5980 |   466230 | 4.0          | 0.0              |                 | 23.0  | 528.0          | O               | VeraSun Energy           | 1.0                 |      3.48913e+06 |
| Din7       | Dinkel     | Ernesto     | Z               |          | 6488 applewood drive |                | M5d 1v6      | Brownsville    | Prince Edward Island | United States of America | 1-768-633-4096 |   420243 | 2.0          | 2.0              | M               | 9.0   | 680.0          | U               | IDT                      | 7.0                 |      3.43074e+06 |
| Thi8       | Thibodeaux | Toby        |                 |          | 17404 gale court     |                | V6c 1q1      | Escondido      | NV                   | United States of America | 1-107-689-2155 |   141862 | 3.0          |                  | U               | 63.0  | 761.0          | O               | Adams Resources & Energy | 10.0                |      1.74361e+06 |
| May9       | Mayo       | evangelia   |                 |          | 15913 alexis street  |                | 99716        | Los Angeles    | Ontario              | United States of America | 1-173-594-6096 |   402011 | 0.0          | 2.0              | M               | 32.0  | 416.0          | O               | MGIC Investment          |                     | 216299           |

TableB:
| prospect_AgeID   | prospect_LN                   | prospect_FirNa              | prospect_MiIn   | prospect_Ge   | prospect_AddrL1                                                             | prospect_AddrL2                                                   | prospect_PosCo   | prospect_C   | prospect_Sta   | prospect_Cou             | prospect_Pho   |   prospect_Inc |   prospect_NumC | prospect_NuChil   | prospect_MariSt   |   prospect_Ag |   prospect_CreRat | prospect_OwORFl   | prospect_Empl                  | prospect_NuCrCar   |   prospect_NeWor |
|:-----------------|:------------------------------|:----------------------------|:----------------|:--------------|:----------------------------------------------------------------------------|:------------------------------------------------------------------|:-----------------|:-------------|:---------------|:-------------------------|:---------------|---------------:|----------------:|:------------------|:------------------|--------------:|------------------:|:------------------|:-------------------------------|:-------------------|-----------------:|
| Iok7501          | Iokwiqojocjanndatkdzgymym     | wbwsqgtaa                   | n               |               | jsurlejkapodmkaccruslfkcqmbcquahsyweopxdxknl                                | GKOIKEZZMQTPQUQZLSAUUMVBDPAXTWNWSXTYJYQ                           | Guudshirvcu      | Baltimore    | MO             | United States of America | 1-637-119-9996 |          94490 |               3 |                   | U                 |             7 |               580 | U                 | FM Global                      |                    | 321776           |
| tia7502          | tiabxgseasiibxakctfzhfwotp    | QGJWCPAPZMWHYHZTNOYSSOQBI   |                 | M             | Ggptcoorkpeeigqzevhwhjdxdfbrmidyxsugikhgmuvvpcptuphjlgmipvhrrsgepibdupa     | ocmgcvnexhqhgoyrwpkgaopthdvandlzaaleqccjpjkbirtcqvorobgskhtlgndvn | wyggjewbe        | Kitchener    | TX             | Canada                   | 1-560-405-0048 |           7037 |               4 | 4.0               | S                 |            48 |               683 | R                 | MGIC Investment                | 2.0                |      2.29232e+06 |
| AOI7503          | AOIWIWTIHIXOJ                 | BHGXDDPUMBESLQMNEPREPTZNNKM | u               |               | Gpcvjzlwouagawronludakqiuhbrbpbkkltrnlkoezgwcawpayfsnejpkmisnryphbtztbfemoy | Cdrxeolwrrxmwmhgexvcstvzz                                         | YMZRQICUTHT      | Saint John   | CT             |                          | 1-261-306-5079 |         419269 |               1 | 5.0               | M                 |            14 |               411 | O                 | Ross Stores                    | 2.0                | 969707           |
| PJQ7504          | PJQSPMBUHYQKBOZ               | Xgnvppcxgfnmawlupgfa        |                 | m             | Yxkhkvrobywpdczvwmjgxvnuduavcpyiuceglhaskahgyxqpqjbdroyojouqkzfwvfpsddisy   | WKSBVOFGJHQGAEKUYRZHHPH                                           | Bcjuycmcen       | Berkeley     | UT             | United States of America | 1-642-299-6655 |          76681 |               4 | 5.0               | W                 |            29 |               818 | U                 |                                | 9.0                |      3.89946e+06 |
| SDV7505          | SDVLJWXENNGWCQMIW             | Tfiozpstcftslqtwkgngiiwo    |                 |               | Ddsarhvraiskwmrddncqwvzkmjmxtgnpbtgyop                                      | skxijfqpzshmts                                                    | Nujxguyehf       | Missoula     | RI             | United States of America |                |         209116 |               2 | 4.0               | U                 |            69 |               370 | R                 | Alliance One International     | 7.0                |      3.74922e+06 |
| Hga7506          | Hgakmykzeunwkiaxayulpwyxrcuev | fbcahlrhhjoslfzqvvwwvhk     | F               | F             | Ajpkrmtlcbdzr                                                               | ZETOHHRKIBHCQCKZODIXJJSXCFY                                       | Neigswk          | Salinas      | DE             |                          | 1-388-257-4273 |         212203 |               0 | 0.0               | U                 |            47 |               833 | O                 | Sally Beauty Holdings          | 6.0                |      3.65853e+06 |
| Beo7507          | Beotomyndkiqryllkvpavllytov   | Dcgkohfcwyoaxckalqnkrzwq    | D               | M             | PKSTPUXQIRGWSXSKWRAJTTNBAOLQKAAJFAPGWIHBWVCHOXLE                            | LJXAXKUJXQBGWBHJJAAM                                              | WNCEOQPLW        | San Jose     | NM             | Canada                   |                |          42018 |               5 | 5.0               | M                 |             0 |               536 | U                 | Wisconsin Energy               | 2.0                |      1.73846e+06 |
| Qum7508          | Qumxrssnd                     | Vmnmcsinflxxmmifydckncc     |                 |               | gyhrpdbplficrfirmtavitgpfmhnnhvsuoqwxrulxlqrdqkzshqovucentrxlakgkpwbrgtd    | Jmlgjkjbqhrudrkqrm                                                | Cskdwtkf         | Cleveland    | WV             | United States of America | 1-632-118-1891 |          90446 |               0 | 0.0               | S                 |            46 |               775 | R                 | Carpenter Technology           | 0.0                |      3.3073e+06  |
| Hud7509          | Hudlpfwjagzbnznyhamjkhbf      | Vrkbkkxkddtximspigmlbwzt    | v               |               | GJTWIDOQOAPDVVULJGOOJBWTTANDJXOCQHWWZAGLGMJQXJOMWFTFVGXIH                   | Qqcilgblxyikgr                                                    | tcxswloetdt      | Huntington   | NH             | United States of America | 1-853-806-4986 |          16274 |               1 | 1.0               | M                 |             6 |               765 | R                 | Liberty Mutual Insurance Group | 3.0                |      1.81642e+06 |
| jba7510          | jbabemsfwdyeihxq              | RMWCTFTLSVTMCBI             |                 | m             | Ycltsquohmuugxihqyluhkoy                                                    | Ahtohqjfzfarn                                                     | Fkpemasoukih     | Paterson     | WY             | Canada                   | 1-220-687-2027 |          22215 |               5 | 2.0               | M                 |            22 |               555 | O                 | Black & Decker                 | 6.0                |      2.59925e+06 |



source_headers: AgencyID
LastName
FirstName
MiddleInitial
Gender
AddressLine1
AddressLine2
PostalCode
City
State
Country
Phone
Income
NumberCars
NumberChildren
MaritalStatus
Age
CreditRating
OwnOrRentFlag
Employer
NumberCreditCards
NetWorth
target_headers: prospect_AgeID
prospect_LN
prospect_FirNa
prospect_MiIn
prospect_Ge
prospect_AddrL1
prospect_AddrL2
prospect_PosCo
prospect_C
prospect_Sta
prospect_Cou
prospect_Pho
prospect_Inc
prospect_NumC
prospect_NuChil
prospect_MariSt
prospect_Ag
prospect_CreRat
prospect_OwORFl
prospect_Empl
prospect_NuCrCar
prospect_NeWor
column_mappings: AgencyID
prospect_AgeID
LastName
prospect_LN
FirstName
prospect_FirNa
MiddleInitial
prospect_MiIn
Gender
prospect_Ge
AddressLine1
prospect_AddrL1
AddressLine2
prospect_AddrL2
PostalCode
prospect_PosCo
City
prospect_C
State
prospect_Sta
Country
prospect_Cou
Phone
prospect_Pho
Income
prospect_Inc
NumberCars
prospect_NumC
NumberChildren
prospect_NuChil
MaritalStatus
prospect_MariSt
Age
prospect_Ag
CreditRating
prospect_CreRat
OwnOrRentFlag
prospect_OwORFl
Employer
prospect_Empl
NumberCreditCards
prospect_NuCrCar
NetWorth
prospect_NeWor
output: {"column_mappings": [["AgencyID", "prospect_AgeID"], ["LastName", "prospect_LN"], ["FirstName", "prospect_FirNa"], ["MiddleInitial", "prospect_MiIn"], ["Gender", "prospect_Ge"], ["AddressLine1", "prospect_AddrL1"], ["AddressLine2", "prospect_AddrL2"], ["PostalCode", "prospect_PosCo"], ["City", "prospect_C"], ["State", "prospect_Sta"], ["Country", "prospect_Cou"], ["Phone", "prospect_Pho"], ["Income", "prospect_Inc"], ["NumberCars", "prospect_NumC"], ["NumberChildren", "prospect_NuChil"], ["MaritalStatus", "prospect_MariSt"], ["Age", "prospect_Ag"], ["CreditRating", "prospect_CreRat"], ["OwnOrRentFlag", "prospect_OwORFl"], ["Employer", "prospect_Empl"], ["NumberCreditCards", "prospect_NuCrCar"], ["NetWorth", "prospect_NeWor"]]}