In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.

[EX Q]: [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']
[EX A]: W, 3573, 689, y, 9557, J, b, 2185

[EX Q]: [4163, 'p', 'Z', 'i', 'r', 9525, 'c', 'C', 'L', 'J', 'L', '3441', 'W', '2257', '7885', '873', 'e', 'a', 'N', '2853', 'K', 'R', '5531', 'h', 'p', 'u', 'b', '6003', 'q', 'H', '6641', '9991', 'w', 6457, 'P', 1517, 6975, 2465, 'Y', 425, 'n', 375, 'O', 7707, 1105, 1985, 6149, 'l', 5761, 875, 4411], [2127, 9083, 'w', 'Z', 4071, 5347, 'r', 'J', 'L', '3441', 'W', '2257', '7885', '873', 'e', 'a', 'N', '2853', 'K', 'R', '5531', 'h', 'p', 'u', 'b', '6003', 'q', 'H', '6641', '9991', 'o', 'K', 1639, 'Z', 13, 'm', 'M', 'G', 'C', 353]
[EX A]: J, L, 3441, W, 2257, 7885, 873, e, a, N, 2853, K, R, 5531, h, p, u, b, 6003, q, H, 6641, 9991

[EX Q]: ['R', 'p', 4445, 'P', 8395, 'd', 'A', 'U', 7313, 1661, 8969, 1799, 'Q', 'd', 'b', 8081, 'c', 2421, 'C', 6377, '5951', 'W', '5307', '7255', '6147', '9541', 'j', 'J', '3461', 'b', '5565', '2161', 'N', '6419', 'E', 'd', 'R', 'r', '1905', '3585', 'p', '5965', 'W', '435', 'M', 'B', 'k', 'S', 'l', 'L', 'H'], [9471, 4839, 8817, 'P', 't', 3199, 913, 6585, 'O', 'o', 'q', 'Q', 'W', 'E', 613, 'J', 'r', 4897, 'g', 1003, 'H', 'l', 'z', 'E', '5951', 'W', '5307', '7255', '6147', '9541', 'j', 'J', '3461', 'b', '5565', '2161', 'N', '6419', 'E', 'd', 'R', 'r', '1905', '3585', 'p', '5965', 'W', '435', 'M', 'B', 'H', 'r', 849, 'B', 'a', 'H', 'X', 'q', 'D']
[EX A]:
5951, W, 5307, 7255, 6147, 9541, j, J, 3461, b, 5565, 2161, N, 6419, E, d, R, r, 1905, 3585, p, 5965, W, 435, M, B