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]: [9677, 4817, 5889, 'w', '9447', 'A', 'g', '4241', 'l', '6431', 'v', 'r', '1925', '1007', '8177', '5627', '7383', '691', 'Z', '7593', 'r', 5945, 2503, 9765, 8527], [1659, 'z', 7571, 'w', '9447', 'A', 'g', '4241', 'l', '6431', 'v', 'r', '1925', '1007', '8177', '5627', '7383', '691', 'Z', '7593', 's', 'f', 7387, 4583, 4393, 'o', 8185, 'Y', 3513]
[EX A]: w, 9447, A, g, 4241, l, 6431, v, r, 1925, 1007, 8177, 5627, 7383, 691, Z, 7593

[EX Q]: ['h', 'p', '1555', 'v', 'S', '1725', '8173', 'i', '9941', '3471', '4305', '5699', '8433', 'x', '9431', 'r', 'J', '7435', 'z', '8099', 'J', '7525', 'b', 'P', 1455, 4815, 9619, 783, 3495, 8881, 'J', 3029, 'r', 6789, 3677, 'P', 'O', 6895, 'V', 'i', 'n', 6617], [4823, 'n', 8293, 'd', 'k', 't', 'i', 7537, 57, 'G', 1485, 9429, 't', '1555', 'v', 'S', '1725', '8173', 'i', '9941', '3471', '4305', '5699', '8433', 'x', '9431', 'r', 'J', '7435', 'z', '8099', 'J', '7525', 'R', 4289, 5429, 'C', 2975, 3741, 4905, 'x', 'T', 1923, 317, 5147, 8497, 6585, 'A', 'i', 9603, 7173]
[EX A]:
1555, v, S, 1725, 8173, i, 9941, 3471, 4305, 5699, 8433, x, 9431, r, J, 7435, z, 8099, J, 7525