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

[EX Q]: ['s', 5215, 'X', 4785, 6947, 5893, 7053, 't', 5871, 'k', 1691, 'Z', 2873, 'J', '887', '247', 't', '7731', '8425', '3371', 'o', '5243', '8871', '2477', 'E', 'w', 'D', 'r', '8971', 'J', '549', 't', 'X', 'A', 'W', 5429, 8573, 'F', 'G', 'm', 's', 167, 9123, 6207, 9613, 2093, 'V', 3531], [5343, 'Y', 'l', 'V', 8421, 3519, 5427, 'E', 'S', 'J', '887', '247', 't', '7731', '8425', '3371', 'o', '5243', '8871', '2477', 'E', 'w', 'D', 'r', '8971', 'J', '549', 'z', 'R', 'l', 1275, 5871, 9461, 2255, 'K', 6005, 3441, 4125, 2315, 'R', 7447, 4823, 785]
[EX A]: J, 887, 247, t, 7731, 8425, 3371, o, 5243, 8871, 2477, E, w, D, r, 8971, J, 549

[EX Q]: [3043, 'd', 1055, '2909', 'J', 'D', '4735', '6701', 'v', 'P', '4341', '7905', 'G', '5297', '6721', 'Y', 'f', 4599], ['Q', 'X', 2931, 'f', 3139, 'r', 3625, 4375, 'B', 8381, '2909', 'J', 'D', '4735', '6701', 'v', 'P', '4341', '7905', 'G', '5297', '6721', 'N', 8281, 'W', 'u', 5969, 'w', 'b', 1735, 'j']
[EX A]: 2909, J, D, 4735, 6701, v, P, 4341, 7905, G, 5297, 6721

[EX Q]: [8831, 9469, 'x', 'R', 'c', 'O', 'o', 6161, 5437], ['b', 1353, 'v', 'R', 'c', 'O', 'J', 'G']
[EX A]:
R, c, O