In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
--------
Question: [3299, 9737, 'M', 'P', 'H', '6993', '7079', 'k', 'u', 'k', '2129', 'm', 'l', '7993', 'i', '3657', 'u', 'u', 'Z', 'O', 'c', '7045', '8071', 'z', 'P', '7919', 'F', 4343, 'E', 'S', 'R', 'w', 'c', 2571, 9369, 8565, 6599], ['z', 4799, 'J', 'G', 'z', 2263, 8619, 'Y', 'I', 'b', 'K', 'l', 7535, 'm', 'i', 2287, 4413, 189, '6993', '7079', 'k', 'u', 'k', '2129', 'm', 'l', '7993', 'i', '3657', 'u', 'u', 'Z', 'O', 'c', '7045', '8071', 'z', 'P', '7919', 'T', 6699, 7547, 9497, 'K', 3003, 165, 5157, 'b', 7321, 'V', 6099, 6161]

Answer: 6993, 7079, k, u, k, 2129, m, l, 7993, i, 3657, u, u, Z, O, c, 7045, 8071, z, P, 7919

Question: [5307, 'b', 'I', '9451', 'W', 7941], [8087, 'U', 'I', '9451', 'g', 'I']

Answer: I, 9451

Question: ['W', 'N', 'X', 421, 8311, 3141, 'n', 'e', 'R', 5179, 5211, 'k', 'k', 2179, 6847, 9051, 'b', 3537, 1907, 'c', 449, 7343, 'Y', 'F', '4301', '6857', 'i', '3077', '2451', 'S', 'K', 'x', 'W', '4281', 'j', '3623', 'd', '3787', '1419', '5775', 'c', '9989', '3647', '2715', '5127', 'U', 'q', 'b', '6471', 'D', 'h', 4631, 'D', 2347, 549, 'e', 'H', 'x', 'V', 6981, 1353], ['R', 'L', 'a', 2583, 'V', 9827, 'S', 9751, 'S', 'v', 1861, 8123, 'D', 9013, 7559, 2681, 7477, 'Z', 9707, 'H', 919, 'F', '4301', '6857', 'i', '3077', '2451', 'S', 'K', 'x', 'W', '4281', 'j', '3623', 'd', '3787', '1419', '5775', 'c', '9989', '3647', '2715', '5127', 'U', 'q', 'b', '6471', 'D', 'P', 7065, 5591, 'E', 'Z', 'a', 'H']

Answer:
F, 4301, 6857, i, 3077, 2451, S, K, x, W, 4281, j, 3623, d, 3787, 1419, 5775, c, 9989, 3647, 2715, 5127, U, q, b, 6471, D