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

[EX Q]: ['o', 'f', '955', 'y', 'O', 2181], ['M', 'l', '955', 'y', 'h', 5209]
[EX A]: 955, y

[EX Q]: [7937, 'O', 't', 'q', 'A', '5875', '3561', '2131', 'L', '9023', 'A', '4107', 'Y', 'h', 'A', '8649', '6349', 'S', '1841', 'X', 'Y', '8859', '2327', 'x', '6845', 'P', 9541, 'K', 'P', 'I', 'd', 2929, 3037, 's', 'o'], [5771, 'e', 6539, 3301, 7501, 1959, 2737, 'W', 347, 'S', 'A', 7789, 1561, 'G', 's', 1703, '5875', '3561', '2131', 'L', '9023', 'A', '4107', 'Y', 'h', 'A', '8649', '6349', 'S', '1841', 'X', 'Y', '8859', '2327', 'x', '6845', 'C', 4525, 2207, 8867, 'D', 'c', 9997, 'f', 'E', 'd', 2503, 527, 's', 'Q', 'Y', 'R', 4405, 'a']
[EX A]: 5875, 3561, 2131, L, 9023, A, 4107, Y, h, A, 8649, 6349, S, 1841, X, Y, 8859, 2327, x, 6845

[EX Q]: [5199, 2371, 9565, 4817, 'C', 601, 'J', 'Q', 'n', 'm', 'B', '3907', 'G', 'B', 5049, 6351], [4341, 's', 'U', 9549, 7399, 'J', 5549, 'J', 'Q', 'n', 'm', 'B', '3907', 'G', 'G', 9947]
[EX A]:
J, Q, n, m, B, 3907, G