In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
--------
Question: [6551, 'm', 4517, 'K', 9519, 'N', 6797, 'A', 'a', 5043, 2961, 1305, 'J', 'M', 'g', 5639, 6235, '9717', '6917', '7949', 'e', '2855', 'V', '4493', 'G', '375', 'e', '9909', 'J', 't', 'N', '4535', '9963', '8917', 'W', 'P', 'd', 9867, 6599, 'W', 'N', 4217, 'c', 5009], ['t', 9641, 7799, '9717', '6917', '7949', 'e', '2855', 'V', '4493', 'G', '375', 'e', '9909', 'J', 't', 'N', '4535', '9963', '8917', 'W', 'U', 'f', 8123, 'U', 3339, 4751]

Answer: 9717, 6917, 7949, e, 2855, V, 4493, G, 375, e, 9909, J, t, N, 4535, 9963, 8917, W


Question: [9945, 7993, 'D', 'C', 1341, 'S', 3245, 'v', 'R', 'a', 'Y', 'm', 'j', 'S', 2325, 7293, 8483, '2185', 'X', '5509', 'v', 'Q', '1557', '2811', '3957', '431', '2403', '9633', 'H', 'd', 'h', 'u', 'P', '3647', 't', '8345', '8157', 'a', '4759', '3097', 'o', 5889, 'c', 2547, 'q', 9407, 'M', 'O'], [2017, 'P', 9637, 7239, '2185', 'X', '5509', 'v', 'Q', '1557', '2811', '3957', '431', '2403', '9633', 'H', 'd', 'h', 'u', 'P', '3647', 't', '8345', '8157', 'a', '4759', '3097', 'Y', 'O', 'U', 495, 'U', 3945, 'h', 9439, 6821, 7583, 6249, 573, 'v', 'T', 2219, 3279]

Answer: 2185, X, 5509, v, Q, 1557, 2811, 3957, 431, 2403, 9633, H, d, h, u, P, 3647, t, 8345, 8157, a, 4759, 3097


Question: [7925, 'k', 'B', 1717, 283, 7101, 'U', 3805, 'H', 1661, 1499, 'U', '9247', 'T', '3089', 'x', 's', 'R', '1029', 'p', 'K', '3923', 'B', 'q', '4755', '1097', 'T', 'h', 9769, 'X', 893, 3625, 'R', 'r', 'x'], [7203, 'D', 6305, 5641, 'H', 253, 'z', 'U', '9247', 'T', '3089', 'x', 's', 'R', '1029', 'p', 'K', '3923', 'B', 'q', '4755', '1097', 'T', 'W', 9803, 5789, 9037, 'l', 6601, 'I', 3979, 2103, 'U', 'r']

Answer:
U, 9247, T, 3089, x, s, R, 1029, p, K, 3923, B, q, 4755, 1097, T