instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
[1071, 'w', 3571, 'c', 3877, 't', 'H', 'U', 'C', 'Q', 'v', 'd', '9421', '3707', 'q', 'M', 'u', '7171', '8005', '9897', '4473', '6865', 'e', '4241', 'f', '9249', 'v', 'c', '6077', '1825', 'P', 'X', 'p', '5845', 'a', '7535', 'T', '2813', 'r', 'v', 10031, 'i', 'G', 't', 'K', 'c', 9299, 's', 6373], ['Z', 6069, 8247, 609, '9421', '3707', 'q', 'M', 'u', '7171', '8005', '9897', '4473', '6865', 'e', '4241', 'f', '9249', 'v', 'c', '6077', '1825', 'P', 'X', 'p', '5845', 'a', '7535', 'T', '2813', 'I', 'e', 'O', 1707, 7143, 'w', 'P', 'E', 7629, 6069, 'k', 3493, 'd', 'k', 4167, 'z', 3513, 'Y', 'g', 'K', 8501, 'n', 'Q', 6091]
answer:
9421, 3707, q, M, u, 7171, 8005, 9897, 4473, 6865, e, 4241, f, 9249, v, c, 6077, 1825, P, X, p, 5845, a, 7535, T, 2813

question:
[2185, 'H', 9933, 6987, 'l', 'N', 3787, 'H', 'K', 'X', 'I', '8517', 'a', 'M', 'e', '7443', '185', '6897', '8395', '3867', '4671', 'e', '2031', '877', 'T', '735', '1273', 'd', '7757', '2005', 't', 8763, 2723, 457, 8941, 9919], [2819, 4477, 'x', 'S', 'D', 1309, 4739, 'B', 'Z', 'K', 7141, 'I', 'x', 6709, 'p', 5629, 'M', 8669, 3157, 5169, 9737, 'Z', 'H', 'K', 'X', 'I', '8517', 'a', 'M', 'e', '7443', '185', '6897', '8395', '3867', '4671', 'e', '2031', '877', 'T', '735', '1273', 'd', '7757', '2005', 'w', 'j', 5143, 6859, 8985, 8441, 'K', 'H', 's']
answer:
H, K, X, I, 8517, a, M, e, 7443, 185, 6897, 8395, 3867, 4671, e, 2031, 877, T, 735, 1273, d, 7757, 2005

question:
[4503, 'f', 'a', '4615', 'y', '2509', 'Z', 'S', 'o', '1657', '5399', 'Q', 8269, 3845, 'v', 2193, 'f', 5421, 'Z'], ['Y', 7899, 7111, '4615', 'y', '2509', 'Z', 'S', 'o', '1657', '5399', 'W', 1951, 't', 2523, 1495]
answer:
4615, y, 2509, Z, S, o, 1657, 5399