instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
[8937, 'k', 'O', 'p', 'C', 1375, 'i', 'X', 'l', 'L', 'u', 'C', 5395, 'n', 6919, 8055, 1091, '789', 'M', 'c', '431', '3497', '6001', '3601', 'Q', 'R', 'k', 'D', 'k', 'q', '343', 'b', 'j', '4465', '7421', '3927', 'G', '6047', '8287', '187', '2247', 'w', 'S', 'c', 'v', 'X', 'm', 'b', 'a', 'l', 'l', 'w', 'R', 'b', 'W'], [6245, 6001, 'm', 'L', 'o', 7883, 'v', 833, 'n', 9131, 'F', 913, 'z', 'A', 'p', 'v', 4669, 't', 'i', 5055, 8833, 2829, '789', 'M', 'c', '431', '3497', '6001', '3601', 'Q', 'R', 'k', 'D', 'k', 'q', '343', 'b', 'j', '4465', '7421', '3927', 'G', '6047', '8287', '187', '2247', 'w', 'S', 'c', 'v', 'X', 'k', 2275, 'p', 1367, 4807, 5581, 7895]
answer:
789, M, c, 431, 3497, 6001, 3601, Q, R, k, D, k, q, 343, b, j, 4465, 7421, 3927, G, 6047, 8287, 187, 2247, w, S, c, v, X


question:
[6017, 2811, '8157', '9625', 'P', 3629], [7857, 1357, '8157', '9625', 'z', 'z']
answer:
8157, 9625


question:
['p', 'x', 'I', 927, 5225, 'j', 'Y', 'k', 9351, 5633, 'q', 6729, 'L', 75, 3205, 'g', 'C', 'E', 'h', '8807', 'n', '1125', '1077', '2721', '2899', 'W', 'x', '5573', 'v', '9433', '4169', 'G', '4277', 'r', 'J', 'e', 's', '7165', '3845', 'X', 'h', '7729', '9377', 'J', 'J', 7935, 743, 787, 'I', 'M', 7535, 'j', 'j', 'V', 7023, 8465, 'x', 871, 165, 1055, 'k', 8235, 7939, 9651, 8571, 'q', 'F', 2449, 7451, 'g'], [433, 1025, 'y', 8909, 'Z', 8649, 3687, 'm', 'k', 'b', 'N', 'e', 't', 'E', 951, 'l', 8339, 3965, 'z', 925, 'i', 8303, 'I', 'q', 'E', 'h', '8807', 'n', '1125', '1077', '2721', '2899', 'W', 'x', '5573', 'v', '9433', '4169', 'G', '4277', 'r', 'J', 'e', 's', '7165', '3845', 'X', 'h', '7729', '9377', 'J', 'P', 'E', 9373, 1063, 'd', 993, 'B', 8597, 'U', 7883, 't', 4369, 6483, 3985, 3837, 203, 'J', 9887, 'n']
answer:

E, h, 8807, n, 1125, 1077, 2721, 2899, W, x, 5573, v, 9433, 4169, G, 4277, r, J, e, s, 7165, 3845, X, h, 7729, 9377, J