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

[Q]: ['R', 't', 'y', '2887', 'x', 4883], [5691, 9457, 'y', '2887', 'u', 'Y']
[A]: y, 2887


[Q]: [7969, 7833, 9069, 'l', 'N', 7935, 7821, 'y', 'q', 'r', 'G', 'O', 'w', 'n', 'h', 'j', 'X', '9705', 'U', '7943', 'K', 'r', '4841', '2141', 'd', '2007', 'O', '5005', 'b', '7367', 'T', 'C', 't', '6865', 'Y', '1263', 'M', 'c', 'u', 5133, 'x', 117, 5841, 'd', 'z', 'A', 3299, 'O', 'W', 'E', 'Q', 8547, 'w', 5235, 9011], [2305, 'g', 'Y', 'v', 6105, 'm', 6457, 2715, 'b', 7811, 3401, 'H', 'h', 'j', 'X', '9705', 'U', '7943', 'K', 'r', '4841', '2141', 'd', '2007', 'O', '5005', 'b', '7367', 'T', 'C', 't', '6865', 'Y', '1263', 'K', 'Z']
[A]: h, j, X, 9705, U, 7943, K, r, 4841, 2141, d, 2007, O, 5005, b, 7367, T, C, t, 6865, Y, 1263


[Q]: [9941, 'N', 'r', 2229, 997, 'h', 'i', 'p', 'K', 'W', 8323, 5659, 4771, 'B', 'T', 2177, 'x', 4577, 5579, 'j', 2643, 7071, '5789', '3849', 'y', 'D', 's', 'q', 'p', '7861', 'x', '4161', 'c', 'f', '577', 'T', '1247', 'j', '8781', '1661', '1985', '5443', '8377', '7303', 'r', 'T', 's', 8493, 'y', 'g', 1095, 8535, 'd', 'y', 6899, 'O', 5131, 'N', 'K'], ['X', 'G', 'D', 'p', 'X', 9451, '5789', '3849', 'y', 'D', 's', 'q', 'p', '7861', 'x', '4161', 'c', 'f', '577', 'T', '1247', 'j', '8781', '1661', '1985', '5443', '8377', '7303', 'r', 'R', 3405, 8775, 751, 4277, 9135, 'W', 'S', 'Y', 4161, 'R', 5809, 823, 'R', 'e', 7693, 3467, 7795, 'm', 1729, 8601, 'Z', 'o']
[A]:
5789, 3849, y, D, s, q, p, 7861, x, 4161, c, f, 577, T, 1247, j, 8781, 1661, 1985, 5443, 8377, 7303, r