instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
['w', 5919, 'P', 6117, 7697, 'Y', 4467, '3097', '2793', 'x', 'P', 'c', 'o', '8777', 'D', '1983', '2397', 'X', 't', 'k', '8109', '2549', 'b', '7173', '3843', 'k', 'u', 'P', 1347, 'y', 'r', 'o', 5611, 'L', 999, 4781], [9955, 'n', 8107, 7059, 'V', 'E', 2417, 1811, 3625, 623, 'T', 'R', 'p', 'l', 'W', 8103, 3691, 'N', '3097', '2793', 'x', 'P', 'c', 'o', '8777', 'D', '1983', '2397', 'X', 't', 'k', '8109', '2549', 'b', '7173', '3843', 'k', 'k', 'p', 'L', 1311, 591, 'J', 5611, 'Q', 'p', 'I', 5921, 237, 'y', 1981, 3861, 'B', 'n', 'r', 'H']
answer:
3097, 2793, x, P, c, o, 8777, D, 1983, 2397, X, t, k, 8109, 2549, b, 7173, 3843, k


question:
['U', 2021, 9935, '873', 'T', '9883', 'y', 8789, 'v'], ['g', 7321, '873', 'T', '9883', 'p', 9721]
answer:
873, T, 9883


question:
['v', 1903, 'g', 'p', '1771', 'e', 145, 6467], [4733, 'f', 'I', 'g', 'p', '1771', 'X', 'e', 739]
answer:

g, p, 1771