instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
['n', 3489, 8863, 9345, 'f', 461, 8033, 'G', 'e', 1605, 'm', 'U', 4987, 'd', 'n', 3177, 'v', 2785, 'b', 327, 'm', 401, 'p', 5665, 'i', 'C', 'l', 'g', 'g', 'Q', 'C', 'c', '3209', '447', '7129', '2241', 'H', '4843', '9185', 'X', 't', 'r', '1685', 'h', '1763', 'L', '6675', 'y', '5147', 'u', 'X', '393', 'W', 'j', 'e', 'V', 2163, 'j', 'u', 9753, 'C', 'U', 4583, 'v', 'A', 'b', 'W', 'O', 'U', 2827, 'E', 7139, 5949, 'T', 'b', 'J', 8719, 3917, 'H', 'i'], [1275, 7729, 4089, 'r', 'H', 'q', 7305, 'O', 'P', 'D', 511, 'W', 'J', 2939, 4951, 'X', 2757, 'l', 'Q', 'u', 'w', 3201, 'N', 'i', 'C', 'l', 'g', 'g', 'Q', 'C', 'c', '3209', '447', '7129', '2241', 'H', '4843', '9185', 'X', 't', 'r', '1685', 'h', '1763', 'L', '6675', 'y', '5147', 'u', 'X', '393', 'W', 'w', 9803]
answer:
i, C, l, g, g, Q, C, c, 3209, 447, 7129, 2241, H, 4843, 9185, X, t, r, 1685, h, 1763, L, 6675, y, 5147, u, X, 393, W


question:
[5555, 'e', 'k', '4653', 'S', 'q', 'o', 'z'], [8655, 3981, 'k', '4653', 'S', 'q', 'k', 8991, 8619, 's']
answer:
k, 4653, S, q


question:
[7577, 'x', 2307, 3175, 8541, 6673, 3199, 'G', 'f', '5361', '1553', 'N', 'H', '1015', 'Z', 'B', 'i', '9167', '2647', '3315', 'Y', '4335', 'A', 'r', 9413, 6739, 'T', 3487, 'E', 8269, 1689, 6789], [7371, 1671, 9699, 7309, 'w', 't', 'r', 417, 'K', 'O', 1201, 'f', '5361', '1553', 'N', 'H', '1015', 'Z', 'B', 'i', '9167', '2647', '3315', 'Y', '4335', 'A', 'B', 9207, 'k', 'W', 'R', 'd', 'e', 'x', 5299, 3409]
answer:

f, 5361, 1553, N, H, 1015, Z, B, i, 9167, 2647, 3315, Y, 4335, A