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

[EX Q]: [37, 2553, 'G', 'a', 325, 613, '4953', '1589', 'W', 'A', 'n', '5241', 'r', '1599', 'a', '6129', 'J', 'H', 'F', 'r', 'u', 'q', 7043, 'a', 'n'], [3683, 'D', 'l', 'G', 'T', 'Z', 'i', 9075, 'M', 'Y', 5963, '4953', '1589', 'W', 'A', 'n', '5241', 'r', '1599', 'a', '6129', 'J', 'H', 'F', 'r', 'u', 'C', 'Q', 'W', 2181, 'O', 'Q', 'D', 5703, 3461]
[EX A]: 4953, 1589, W, A, n, 5241, r, 1599, a, 6129, J, H, F, r, u

[EX Q]: ['Y', 'Z', 'm', 'S', '3631', 'v', 'x', 5851, 615, 'm'], ['D', 'D', 'm', 'S', '3631', 'v', 'O', 'D']
[EX A]: m, S, 3631, v

[EX Q]: [7737, 'f', 'I', 'n', 7461, 'y', 1425, 'm', 1457, 8693, 'k', 3631, 'y', 859, 'z', 4989, 6137, 'u', 'b', '6939', 'K', 'X', 'm', 'P', '7001', '3275', 'g', 'x', 'O', 'E', '6741', 'A', 'S', 'W', 'T', '3213', 'l', '8707', 't', 'N', 'Y', 'l', 'i', 6789, 'O', 'R', 's', 3365, 8079, 'b', 9417, 'b', 'z', 'j', 3209], ['C', 4899, 5063, 'f', 'W', 'g', 'o', 'Z', 6607, 'L', 'I', 6369, 8617, 5919, 'x', 'b', '6939', 'K', 'X', 'm', 'P', '7001', '3275', 'g', 'x', 'O', 'E', '6741', 'A', 'S', 'W', 'T', '3213', 'l', '8707', 'V', 9043, 'w', 9389, 5631, 5651, 109, 8055, 'K', 4257, 9327, 'W', 2225, 7085, 'O', 's', 781]
[EX A]:
b, 6939, K, X, m, P, 7001, 3275, g, x, O, E, 6741, A, S, W, T, 3213, l, 8707