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

[EX Q]: [2095, 4189, 3851, 8479, 'L', 3797, 'B', 'k', 'i', 'e', 'o', '4383', '3861', '6441', '2477', '9535', 'S', '9063', 'w', '5725', '6101', '1753', '3199', 'U', 'n', 5177, 'M', 5593], ['l', 'e', 'k', 4363, 3241, 6099, 5081, 3617, 7859, 'k', 'i', 'e', 'o', '4383', '3861', '6441', '2477', '9535', 'S', '9063', 'w', '5725', '6101', '1753', '3199', 't', 'N', 6009, 5793, 'T']
[EX A]: k, i, e, o, 4383, 3861, 6441, 2477, 9535, S, 9063, w, 5725, 6101, 1753, 3199

[EX Q]: [5307, 'b', 'I', '9451', 'W', 7941], [8087, 'U', 'I', '9451', 'g', 'I']
[EX A]: I, 9451

[EX Q]: ['n', 'q', 9171, 'r', 'L', 'd', '1893', 'o', '9401', 'M', 'x', 'n', '1367', '4087', '1723', 'J', 'F', 'd', '2547', '975', 'c', '7681', 'h', 'K', 'h', 1093], [3029, 'L', 8869, 9647, 'r', 'L', 'd', '1893', 'o', '9401', 'M', 'x', 'n', '1367', '4087', '1723', 'J', 'F', 'd', '2547', '975', 'c', '7681', 'n', 't', 'a', 's', 'V', 'R', 8681, 'T', 'l', 1595, 'n', 2559, 7481, 2749, 7879]
[EX A]:
r, L, d, 1893, o, 9401, M, x, n, 1367, 4087, 1723, J, F, d, 2547, 975, c, 7681