instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
[6839, 'h', 6347, 'c', 'u', 793, 601, 't', 'w', 3237, 'U', '5583', 'z', 'X', 'L', '4399', 'Q', 'H', 'h', 'Q', 'D', '8725', 'u', 'a', '8719', 'f', 'E', '8309', '2711', 'E', '9927', '3625', 'G', 'E', '7087', 'T', '2201', 'm', 's', '3821', 'b', 'v', 9597, 'X', 2647, 'C', 155, 'B', 5459, 3691, 9935, 9189], ['k', 6433, 5973, 9407, 9023, 2147, 2247, 'k', 6665, 9491, 'K', 2537, 'r', 2469, 'd', 2941, 'H', 8667, 855, 'V', 'U', '5583', 'z', 'X', 'L', '4399', 'Q', 'H', 'h', 'Q', 'D', '8725', 'u', 'a', '8719', 'f', 'E', '8309', '2711', 'E', '9927', '3625', 'G', 'E', '7087', 'T', '2201', 'm', 's', '3821', 'w', 'B', 6551, 'i', 'v', 773, 'M', 'I', 'R']
answer:
U, 5583, z, X, L, 4399, Q, H, h, Q, D, 8725, u, a, 8719, f, E, 8309, 2711, E, 9927, 3625, G, E, 7087, T, 2201, m, s, 3821

question:
['t', 845, 'T', '5285', '7837', 'N', 6717], [7211, 7903, 'U', 'T', '5285', '7837', 'D', 'U', 'R']
answer:
T, 5285, 7837

question:
[7265, 1329, 2941, 7245, 8343, 'j', 3083, 'o', 9467, '4471', '2429', 'M', 'm', 'D', '979', 'a', 'Q', '2243', '9997', 'R', 'O', '113', 'E', 'p', '1647', '3363', '3887', 'k', 'Q', 'l', 'Z', 'V', '6683', 'h', 'V', 271, 5595, 'y', 6061, 8009, 1257, 'k', 'M', 'L', 9661, 9985, 'f', 6169, 'W', 7121, 'r'], [6097, 2037, 'Q', 1211, 'M', 301, 'Z', 'K', 5649, 7053, 4965, 3205, 6945, 'u', 'f', 'T', 821, 8471, 7947, '4471', '2429', 'M', 'm', 'D', '979', 'a', 'Q', '2243', '9997', 'R', 'O', '113', 'E', 'p', '1647', '3363', '3887', 'k', 'Q', 'l', 'Z', 'V', '6683', 'h', 'd', 5291, 8841, 'Y', 5423, 'V', 'u', 9885]
answer:
4471, 2429, M, m, D, 979, a, Q, 2243, 9997, R, O, 113, E, p, 1647, 3363, 3887, k, Q, l, Z, V, 6683, h