instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
['R', 'k', 'g', 4045, 'W', '4923', '9161', '4031', '7443', 'f', 'U', 2683, 'Y'], [943, 'v', '4923', '9161', '4031', '7443', 'f', 't', 'm', 9213]
answer:
4923, 9161, 4031, 7443, f


question:
['Y', 'Z', 'm', 'S', '3631', 'v', 'x', 5851, 615, 'm'], ['D', 'D', 'm', 'S', '3631', 'v', 'O', 'D']
answer:
m, S, 3631, v


question:
[9763, 'r', 'R', '1171', 'u', 'B', '6713', '4855', 'c', 'F', 'O', '127', 'i', 't', 'b', '2359', '7201', '6967', '4999', '2991', '4711', 'b', '2843', '3305', 'Z', '2379', 'C', '2181', 'O', 'g', '5599', 'M', 573, 'V', 'R', 5703, 'W', 'e', 3775, 3737], ['b', 4273, 'R', '1171', 'u', 'B', '6713', '4855', 'c', 'F', 'O', '127', 'i', 't', 'b', '2359', '7201', '6967', '4999', '2991', '4711', 'b', '2843', '3305', 'Z', '2379', 'C', '2181', 'O', 'g', '5599', 'z', 'V', 'I', 133, 5097, 'z', 'U', 351, 153, 3679, 7753, 9233]
answer:

R, 1171, u, B, 6713, 4855, c, F, O, 127, i, t, b, 2359, 7201, 6967, 4999, 2991, 4711, b, 2843, 3305, Z, 2379, C, 2181, O, g, 5599