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

[EX Q]: ['U', 3417, 5169, 'r', 's', 2909, 3363, 'x', 8463, 9703, 3041, 'e', 4997, 1689, 'Y', 'y', 'T', '53', '8895', '1117', '4025', 'v', '1689', 'e', 'V', 'k', '2673', '5425', 'c', 'p', '8235', 'Q', 'G', 2185, 'I', 'D', 'U', 2889, 6837, 'B', 'x', 2775, 'I', 3053, 1801], [525, 'd', 'K', 'T', '53', '8895', '1117', '4025', 'v', '1689', 'e', 'V', 'k', '2673', '5425', 'c', 'p', '8235', 'Q', 'z', 9959, 'H', 1865, 'M', 8529]
[EX A]: T, 53, 8895, 1117, 4025, v, 1689, e, V, k, 2673, 5425, c, p, 8235, Q

[EX Q]: [3441, 443, 'D', 'n', '5111', 'F', 'T', 'i', 'O', '2763', '417', '9849', '4313', 'I', 3749, 9061, 'W', 'y'], ['O', 9869, 'X', 4785, 6259, 9043, 'h', '5111', 'F', 'T', 'i', 'O', '2763', '417', '9849', '4313', 'w', 'T', 'q', 8411, 't', 4719]
[EX A]: 5111, F, T, i, O, 2763, 417, 9849, 4313

[EX Q]: [8405, 'n', 'l', 'e', 'q', 9351], [6033, 'R', 'l', 'e', 'Y', 'k']
[EX A]:
l, e