instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
['q', 6247, 7691, 'M', 'i', 3857, 'J', '249', 'j', '3315', 'Y', 'q', 'K', 'B', 'h', 'M', 'i', '3947', '8559', '1833', 'q', 'x', '1469', '7579', '421', 'F', 'y', 'c', '9043', 'r', 'N', 'O', 'N', 'Z', 'a', 8713, 'a', 2717, 'y', 'l', 't', 1815, 9507, 1713, 'N'], ['Z', 7463, 6215, 'r', 43, 'h', 3841, 9317, 'J', 'x', 6735, 'b', '249', 'j', '3315', 'Y', 'q', 'K', 'B', 'h', 'M', 'i', '3947', '8559', '1833', 'q', 'x', '1469', '7579', '421', 'F', 'y', 'c', '9043', 'r', 'N', 'O', 'N', 'Z', 'Q', 'c', 'B', 9989, 'd', 875, 1185, 7121, 5559, 'k', 2289]
answer:
249, j, 3315, Y, q, K, B, h, M, i, 3947, 8559, 1833, q, x, 1469, 7579, 421, F, y, c, 9043, r, N, O, N, Z


question:
['w', 3897, 'U', 'a', '455', '6499', '8975', '9003', 'O', 'j', 'T', 'P', 'C', 'z', 5141, 1751, 6731, 'r'], ['B', 8071, 703, 'G', 885, 'Z', 2391, 1749, 4177, 'U', 'a', '455', '6499', '8975', '9003', 'O', 'j', 'T', 'D', 8751, 'y', 2941]
answer:
U, a, 455, 6499, 8975, 9003, O, j, T


question:
[6073, 8679, 9521, 389, 1223, 'Q', '9635', 'w', 'u', '2481', 'd', '3661', '7867', 'j', '2455', 'T', '3711', '4707', '1237', 'l', 'u', 'j', 't'], ['m', 4053, 9307, 7731, 'J', 9387, 261, 5065, 'H', 'E', 'Q', '9635', 'w', 'u', '2481', 'd', '3661', '7867', 'j', '2455', 'T', '3711', '4707', '1237', 'l', 'u', 'V', 'm', 's', 479, 7507, 1811, 1119, 'X', 'a', 857]
answer:

Q, 9635, w, u, 2481, d, 3661, 7867, j, 2455, T, 3711, 4707, 1237, l, u