instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
[6397, 'W', 'k', 'v', 'E', '1941', '2295', 'q', '1357', '2041', '5263', '7781', 'w', 'N', 1329, 5233, 'U', 2563, 'L', 8547], [1857, 'F', 'g', 8381, 165, 'o', 7009, 5455, '1941', '2295', 'q', '1357', '2041', '5263', '7781', 'w', 'X', 'g']
answer:
1941, 2295, q, 1357, 2041, 5263, 7781, w


question:
['R', 't', 'y', '2887', 'x', 4883], [5691, 9457, 'y', '2887', 'u', 'Y']
answer:
y, 2887


question:
[3093, 'e', 8361, 717, 5131, 'i', 'P', 'k', 'r', 9143, 'V', 1139, 3607, 6805, 'x', 2027, 'o', 9887, 'J', 'w', '6707', 'r', '5023', '3249', '4337', 'q', '9', '6519', 'k', '3381', '5319', '2573', 'G', '8791', '4553', 'b', 'n', 'X', '5065', '9323', 'P', '1545', 'p', 977, 5033, 'b', 3275, 't', 'g', 4235, 147, 'e', 6837, 'o', 'U', 'l', 9913, 'u', 'S'], ['I', 'H', 4045, 8039, 2995, '6707', 'r', '5023', '3249', '4337', 'q', '9', '6519', 'k', '3381', '5319', '2573', 'G', '8791', '4553', 'b', 'n', 'X', '5065', '9323', 'P', '1545', 'j', 'D', 'r', 'h', 4957, 9927, 7543]
answer:

6707, r, 5023, 3249, 4337, q, 9, 6519, k, 3381, 5319, 2573, G, 8791, 4553, b, n, X, 5065, 9323, P, 1545