instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
['U', 3417, 5169, 'r', 's', 2909, 3363, 'x', 8463, 9703, 3041, 'e', 4997, 1689, 'Y', 'y', 'T', '53', '8895', '1117', '4025', 'v', '1689', 'e', 'V', 'k', '2673', '5425', 'c', 'p', '8235', 'Q', 'G', 2185, 'I', 'D', 'U', 2889, 6837, 'B', 'x', 2775, 'I', 3053, 1801], [525, 'd', 'K', 'T', '53', '8895', '1117', '4025', 'v', '1689', 'e', 'V', 'k', '2673', '5425', 'c', 'p', '8235', 'Q', 'z', 9959, 'H', 1865, 'M', 8529]
answer:
T, 53, 8895, 1117, 4025, v, 1689, e, V, k, 2673, 5425, c, p, 8235, Q

question:
[8903, 3375, 'w', 1053, 3561, 'm', 'n', 525, 'X', '405', 'm', 's', '1099', '2317', 'O', '2573', 'l', '3259', '4463', '9185', '3407', 'v', '9943', 'C', 'M', 'O', '3067', '2717', 'W', 'B', '5015', 'm', '6297', '301', 'k', 6765, 'Z', 10011, 'r', 983, 'm', 1725, 4499, 'b', 'w', 4247, 3031, 2341, 'K', 5849, 8609, 'b', 'Q', 9443], [4217, 7417, 7593, 7021, 'x', 'n', 'w', 'G', 'p', 1559, 5043, 's', 'x', 1433, 'U', 6581, 'w', 5419, 'M', 'X', '405', 'm', 's', '1099', '2317', 'O', '2573', 'l', '3259', '4463', '9185', '3407', 'v', '9943', 'C', 'M', 'O', '3067', '2717', 'W', 'B', '5015', 'm', '6297', '301', 'n', 7429, 1747, 'f', 'Q', 7365, 'X', 'r', 'f', 1747, 'H', 'w', 7691, 'Y']
answer:
X, 405, m, s, 1099, 2317, O, 2573, l, 3259, 4463, 9185, 3407, v, 9943, C, M, O, 3067, 2717, W, B, 5015, m, 6297, 301

question:
['F', 'g', 'c', 2935, 1677, 8371, 1701, 'L', 't', 'Y', '8531', '5949', 'f', 'k', '9183', '2561', 'B', 'Q', 's', 'T', '5871', '1021', 'M', 'u', 'z', '1339', '2063', '5921', '3525', '77', 'S', '2423', 'm', 4913, 'N', 9029, 2141, 3745], ['Y', 2355, 9997, 'W', 5743, 'Y', '8531', '5949', 'f', 'k', '9183', '2561', 'B', 'Q', 's', 'T', '5871', '1021', 'M', 'u', 'z', '1339', '2063', '5921', '3525', '77', 'S', '2423', 'u', 'E', 'Q', 1039, 'I', 'D', 'X']
answer:
Y, 8531, 5949, f, k, 9183, 2561, B, Q, s, T, 5871, 1021, M, u, z, 1339, 2063, 5921, 3525, 77, S, 2423