In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
--------
Question: [9537, 9603, 'U', '4157', 'M', 'k', 'w', 9373], [3355, 4417, 'U', '4157', 'M', 'C', 'k']

Answer: U, 4157, M


Question: ['H', 'z', 'i', 2235, 'F', 7863, 5279, 6871, 6305, 545, 'i', 'x', 1179, 4813, 7929, 9261, 'm', 'w', '8797', '6621', 'o', '9615', 'Q', '3235', '5995', '939', 't', 'T', 'g', 'c', '4047', 'm', 'V', 'P', '8637', 's', 'Z', 'G', 6405, 1707], [9085, 4723, 'q', 'i', 'w', 5997, 'w', 'H', 'N', 'v', 4797, 5633, 7441, 'O', 9121, 'h', 9939, 'w', '8797', '6621', 'o', '9615', 'Q', '3235', '5995', '939', 't', 'T', 'g', 'c', '4047', 'm', 'V', 'P', '8637', 'o', 2775, 5765, 'H', 309, 609, 9481, 'x']

Answer: w, 8797, 6621, o, 9615, Q, 3235, 5995, 939, t, T, g, c, 4047, m, V, P, 8637


Question: ['e', 9403, 3873, 'k', 'k', 5449, 'u', 4223, 't', '8245', 'N', '1283', 'c', 'c', 'X', '3949', '3907', 'N', '6133', '6453', '1215', '5797', 'f', 't', '8075', 'q', 'Q', '8221', '9311', '9667', '8293', 'x', 'v', 'Z', '5767', 'F', 't', 6833, 1075, 7527, 't', 5273, 6295, 1801, 'e', 'b', 'q', 2187, 2405, 'O', 'L', 'J', 'a', 2033, 'W', 3297, 'Z', 'J'], ['U', 'M', 'Z', 4207, 3289, 627, 't', '8245', 'N', '1283', 'c', 'c', 'X', '3949', '3907', 'N', '6133', '6453', '1215', '5797', 'f', 't', '8075', 'q', 'Q', '8221', '9311', '9667', '8293', 'x', 'v', 'Z', '5767', 'N', 9687, 2231, 'R', 4573, 'P', 'b', 971, 8863, 'H', 345, 8639]

Answer:
t, 8245, N, 1283, c, c, X, 3949, 3907, N, 6133, 6453, 1215, 5797, f, t, 8075, q, Q, 8221, 9311, 9667, 8293, x, v, Z, 5767