instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
[9711, 6103, 3531, 3623, 'u', '6995', 'R', 'p', 'p', 'p', '8519', '4447', 'b', 6001, 'b', 2477, 'd', 'y', 'C', 9605], ['j', 'P', 'W', 9073, 'u', '6995', 'R', 'p', 'p', 'p', '8519', '4447', 'X', 8365, 9899, 'H', 'T', 4049, 'Z', 'w']
answer:
u, 6995, R, p, p, p, 8519, 4447

question:
['R', 437, 'S', 'N', 'H', '3615', 'w', 'j', 'N', '6991', '7577', 'O', 'z', 'k', 'F', 'T', '3585', '5505', '5485', 'f', 'B', 3579, 'v', 8529, 'i'], ['w', 'j', 'X', 'G', 'I', 4567, 'H', 'w', 8869, 4535, 'L', 'q', 'u', 'V', 'L', '3615', 'w', 'j', 'N', '6991', '7577', 'O', 'z', 'k', 'F', 'T', '3585', '5505', '5485', 'f', 'R', 155]
answer:
3615, w, j, N, 6991, 7577, O, z, k, F, T, 3585, 5505, 5485, f

question:
['u', 3221, 'j', 6593, 'F', 7739, 7063, 6619, 3253, 'q', 'S', '9857', '6727', '4977', 'k', '505', 'b', 'N', 'B', 'X', '5795', 'N', 'N', 'W', '811', 'g', '843', 'v', 9413, 1253, 'c', 'n', 'z'], ['j', 'b', 'y', 9577, 3395, 'y', 5993, 3109, 8115, 'Y', 2515, 'N', 'Y', '9857', '6727', '4977', 'k', '505', 'b', 'N', 'B', 'X', '5795', 'N', 'N', 'W', '811', 'g', '843', 'c', 775, 'W', 9839, 3057, 2535, 9615, 'I', 9103, 5309, 'J', 4243, 'u', 'C', 6547, 8809]
answer:
9857, 6727, 4977, k, 505, b, N, B, X, 5795, N, N, W, 811, g, 843