instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
['Q', 'j', 'l', 9319, 3707, 'P', 8413, 1819, 6701, 't', 'P', 6579, 'U', 'i', 'I', 7473, 'g', 'u', 'Z', 'u', 'p', '5493', 'G', 'o', 'f', 'f', '1149', '1783', '4221', 'b', '1851', 'p', 'G', 'S', '3177', 'F', 't', 'v', '7327', 'b', '6949', 'V', 'k', '241', '8297', 'D', 4097, 4329, 1829, 'm', 'D', 9185, 'W', 'j', 'K', 2405, 'w', 'C', 8301], [9761, 'K', 'M', 3589, 'R', 'u', 'y', 2909, 'q', 'z', 'N', 2453, 'p', '5493', 'G', 'o', 'f', 'f', '1149', '1783', '4221', 'b', '1851', 'p', 'G', 'S', '3177', 'F', 't', 'v', '7327', 'b', '6949', 'V', 'k', '241', '8297', 'r', 3865, 'I', 'E', 'O', 'e', 'y', 3913, 'J', 'n', 6849, 'c', 5225, 'I', 'E', 9961, 3135, 'e', 'C', 5747, 'm', 'H', 'A', 3135, 6033]
answer:
p, 5493, G, o, f, f, 1149, 1783, 4221, b, 1851, p, G, S, 3177, F, t, v, 7327, b, 6949, V, k, 241, 8297


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


question:
[4731, 'z', 8923, 1325, 'P', 8435, 'u', 'B', 'N', 8191, 'O', '3019', '4077', 'w', 'W', 'x', 'z', '2233', '6509', 'N', '3069', '5471', 'K', 'x', 'q', '979', 'M', 'O', 'H', 9453], [4977, 'E', 4865, 'O', '3019', '4077', 'w', 'W', 'x', 'z', '2233', '6509', 'N', '3069', '5471', 'K', 'x', 'q', '979', 'M', 'R', 'T', 7065]
answer:

O, 3019, 4077, w, W, x, z, 2233, 6509, N, 3069, 5471, K, x, q, 979, M