In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
--------
Question: [7395, 'b', 'k', 4085, 2295, 'W', 'e', 'd', '1583', '9993', 'x', '2291', '1847', 'R', 'a', 'n', 'r', 'G', '7947', '6081', 'H', 'K', 't', '6537', 'q', 'V', '3423', '9531', '4907', '123', '4757', 'J', 'S', 'Q', 'D', 'f', 4941, 6655, 8343, 2509, 6487, 'b', 'E', 'f', 'n', 'v', 'j', 7091, 9231, 9129, 7785, 9709, 2645, 3179, 'U', 631, 7891], [7807, 8461, 'n', 'C', 9827, 1359, 'O', 3781, 'k', 'n', 'F', 'l', 'x', 'O', 4867, 'd', '1583', '9993', 'x', '2291', '1847', 'R', 'a', 'n', 'r', 'G', '7947', '6081', 'H', 'K', 't', '6537', 'q', 'V', '3423', '9531', '4907', '123', '4757', 'J', 'S', 'Q', 'D', 'H', 'B', 'f', 'X', 2529, 2153, 'u', 'z', 747, 5899, 1307, 'l', 'Q', 'x', 3787, 'b', 1187, 'h', 9519, 3483, 'q']

Answer: d, 1583, 9993, x, 2291, 1847, R, a, n, r, G, 7947, 6081, H, K, t, 6537, q, V, 3423, 9531, 4907, 123, 4757, J, S, Q, D


Question: [4339, 'i', 7857, 315, 'W', '3573', '689', 'y', '9557', 'J', 'b', '2185', 'i', 7649, 'F', 'g', 6973], ['r', 5097, 5467, 't', 'N', 'Y', 'W', '3573', '689', 'y', '9557', 'J', 'b', '2185', 'l', 837, 643, 2055, 'J', 'I']

Answer: W, 3573, 689, y, 9557, J, b, 2185


Question: [9369, 'J', 4817, 'i', 'j', 'K', 'S', 'B', 'I', 'Z', 9587, 'T', 4567, 5903, 'f', 3109, 'y', 'S', 'V', '3571', '2341', '7041', '4343', '7509', '2045', '7921', '8367', 's', 'g', 'R', 'f', 'o', '7169', 't', '1897', '1191', '3123', '2551', 'i', 'E', 5303, 'C', 'o', 4777, 6351, 5157, 4209, 'r', 'Y', 'c', 2043, 'T', 8855, 'A', 629, 607, 'f'], ['v', 'n', 1953, 4609, 7147, 7125, 'y', 'S', 'V', '3571', '2341', '7041', '4343', '7509', '2045', '7921', '8367', 's', 'g', 'R', 'f', 'o', '7169', 't', '1897', '1191', '3123', '2551', 'i', 'L', 'I', 'e', 'U']

Answer:
y, S, V, 3571, 2341, 7041, 4343, 7509, 2045, 7921, 8367, s, g, R, f, o, 7169, t, 1897, 1191, 3123, 2551, i