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

[EX Q]: ['U', 2021, 9935, '873', 'T', '9883', 'y', 8789, 'v'], ['g', 7321, '873', 'T', '9883', 'p', 9721]
[EX A]: 873, T, 9883

[EX Q]: ['s', 1853, 'h', 'T', 'f', 'N', 'c', 643, 8659, 'E', 'v', 'A', 't', 779, 'S', 'p', 'A', '9745', '2013', 'o', '9115', 'Y', 'f', 'l', '9683', '4447', 'G', 'W', '3807', '6689', '3789', '9207', '4683', 's', '6555', '7405', 'F', '7739', '3145', '8895', '2515', 'X', 1613, 't', 'Q', 747, 'F', 9819, 7747, 7059, 509, 1169, 'z', 9807, 4297, 7399, 7009, 'z', 'L', 3495, 'c', 'l', 'd', 'A'], ['C', 4481, 'H', 3327, 7321, '9745', '2013', 'o', '9115', 'Y', 'f', 'l', '9683', '4447', 'G', 'W', '3807', '6689', '3789', '9207', '4683', 's', '6555', '7405', 'F', '7739', '3145', '8895', '2515', 'F', 'o', 'O', 2361, 9341]
[EX A]: 9745, 2013, o, 9115, Y, f, l, 9683, 4447, G, W, 3807, 6689, 3789, 9207, 4683, s, 6555, 7405, F, 7739, 3145, 8895, 2515

[EX Q]: ['c', 'N', 'X', 'x', 'X', 'U', 'R', 'x', 7491, 9603, 'Q', 1265, 'X', 'h', '6855', 'a', '2403', '7025', 'U', '4851', 'E', '1381', '4129', '4507', 'w', '5229', '1143', 'P', '6403', 'V', 'N', 'b', 'u', 5451, 7077, 2767, 'z', 'y'], [4543, 'C', 45, 'd', 'h', '6855', 'a', '2403', '7025', 'U', '4851', 'E', '1381', '4129', '4507', 'w', '5229', '1143', 'P', '6403', 'E', 'Y', 'x', 3443, 5495, 'd', 'L', 383, 'G', 'T', 2199, 5049, 'V']
[EX A]:
h, 6855, a, 2403, 7025, U, 4851, E, 1381, 4129, 4507, w, 5229, 1143, P, 6403