instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
[3645, 'a', 'r', 'H', 'F', 5289, 'Q', 'S', 'l', 'A', 'i', 'N', 4209, 'Y', 'v', 'l', 'f', 'B', 9611, 8025, 'x', 8141, 3323, 9387, 1457, 2157, 'v', '6997', '1987', '9305', 'c', '9391', 'W', 'q', 'H', 'O', '9283', '5671', '9549', 'M', '881', '6859', '3761', '7565', '2293', '1701', 'p', 'q', 'u', '8057', 'k', '1721', '4713', 'y', 'g', 'b', 5905, 'H', 'Y', 5059, 745, 'd', 1313, 'U', 7783, 'R', 'B'], ['q', 'N', 10023, 'V', 9257, 'y', 563, 'b', 8447, 2529, 'f', 4739, 9195, 'O', 1099, 4353, 'P', 821, 8169, 'S', 'r', 'b', 'v', '6997', '1987', '9305', 'c', '9391', 'W', 'q', 'H', 'O', '9283', '5671', '9549', 'M', '881', '6859', '3761', '7565', '2293', '1701', 'p', 'q', 'u', '8057', 'k', '1721', '4713', 'y', 'g', 'e', 4393, 'j', 'J', 'A', 'I', 'n', 181, 3731, 5323, 3189, 9859, 'Q', 'V', 'E', 2413, 733, 'p', 'U', 3339, 8789, 'd', 4205, 5453, 'I', 1359, 891, 4269]
answer:
v, 6997, 1987, 9305, c, 9391, W, q, H, O, 9283, 5671, 9549, M, 881, 6859, 3761, 7565, 2293, 1701, p, q, u, 8057, k, 1721, 4713, y, g


question:
['y', 'b', 'A', 'K', 887, '9169', '1575', '5233', '1749', '5739', 'A', 'V', 8989], [3381, 5213, 9463, 8631, 2091, '9169', '1575', '5233', '1749', '5739', 'h', 1679, 8181]
answer:
9169, 1575, 5233, 1749, 5739


question:
[257, 5687, 'x', 'a', 'B', 7617, 8471, 'G', 'o', 'x', 7933, 'q', 'l', 't', '3607', 'U', 'd', 'd', '7437', '8491', '1615', '907', '5311', '1011', '6385', '2337', 'v', '9431', '6199', 'J', '85', '8921', '5165', '5155', '7259', 'l', '685', '6779', '1239', 'w', 'w', 2613, 'l', 9597, 3131, 4859, 'p', 3517, 741, 'B', 543, 6861], ['k', 'G', 'M', 'F', 4223, 4771, 5495, '3607', 'U', 'd', 'd', '7437', '8491', '1615', '907', '5311', '1011', '6385', '2337', 'v', '9431', '6199', 'J', '85', '8921', '5165', '5155', '7259', 'l', '685', '6779', '1239', 'w', 't', 'k', 6595, 'u', 'R', 7011, 'u', 'n', 'B']
answer:

3607, U, d, d, 7437, 8491, 1615, 907, 5311, 1011, 6385, 2337, v, 9431, 6199, J, 85, 8921, 5165, 5155, 7259, l, 685, 6779, 1239, w