In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.

[EX Q]: ['n', 'E', '2891', '7537', 'Q', 'J'], [2247, 10017, '2891', '7537', 'e', 1001]
[EX A]: 2891, 7537

[EX Q]: [5401, 'j', 'y', 'I', 'X', 'o', 'P', 'F', 'Z', 'N', '3703', 'V', 'b', 'I', '6417', 'c', '5287', 'K', '9693', 'r', 'Z', 'F', 2683, 8021, 'c', 8229, 1989, 'm', 'r', 'O', 393, 2007, 9669, 'g', 8273], [6117, 7069, 'N', 'b', 7691, 3999, 8865, 1449, 'J', 'H', 'n', 'S', 7143, 6141, 2137, 'I', 'X', 'o', 'P', 'F', 'Z', 'N', '3703', 'V', 'b', 'I', '6417', 'c', '5287', 'K', '9693', 'h', 4013, 9577, 3799]
[EX A]: I, X, o, P, F, Z, N, 3703, V, b, I, 6417, c, 5287, K, 9693

[EX Q]: ['H', 'W', 'O', 'U', '3519', '63', '7151', '5803', '9761', 'l', 'S', 'A', 'P', '2157', '4715', '1493', 'Y', 'A', 'J', '3029', '7289', 'Q', 'f', 'R', 'd', '3517', 'D', 'c', '9823', '8681', 'T', '6347', '8141', 'n', 'u', 'G', 7057, 't', 10007, 'w', 8291, 'F', 8825, 'w', 'C', 545, 337, 8071, 'p', 'l', 'r', 'R', 'W', 'g'], ['B', 'e', 9847, 8027, 'e', 'z', 9311, 7899, 5029, 'u', 'w', 1625, 'k', 9685, 7019, 's', 'C', 5553, 'p', 9107, 3845, 5813, 'F', 8325, 'b', 'M', 1721, 701, '3519', '63', '7151', '5803', '9761', 'l', 'S', 'A', 'P', '2157', '4715', '1493', 'Y', 'A', 'J', '3029', '7289', 'Q', 'f', 'R', 'd', '3517', 'D', 'c', '9823', '8681', 'T', '6347', '8141', 'n', 'C', 'f', 'K', 'c', 4929, 't', 2947, 9349, 'S', 'r', 9517, 5169, 'r', 2671, 39, 't', 'X', 4349, 4269, 'b', 1165, 5817, 'E', 'g', 9741]
[EX A]:
3519, 63, 7151, 5803, 9761, l, S, A, P, 2157, 4715, 1493, Y, A, J, 3029, 7289, Q, f, R, d, 3517, D, c, 9823, 8681, T, 6347, 8141, n