instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
[4521, 9297, 1549, 'j', 6533, 5069, 2291, 3507, 6815, 1619, 5771, 'k', '1705', '9637', 'd', 'g', '3717', 'Q', 'V', '8195', 'S', 'E', 'a', 'y', 'r', 'k', 'o', 'L', 3267, 'L', 2907, 'l', 4505, 'm', 3519, 'g'], ['T', 'r', '1705', '9637', 'd', 'g', '3717', 'Q', 'V', '8195', 'S', 'E', 'a', 'y', 'A', 873, 's', 1819, 4947, 'E', 'k', 'I', 'M']
answer:
1705, 9637, d, g, 3717, Q, V, 8195, S, E, a, y


question:
['J', 6791, 'x', 'f', 'n', '5565', '4103', 'q', 'n', 'h', '625', '2981', '3243', 'q', '2705', '5505', 's', '4423', 'j', '9819', '3841', 'Z', 'i', 'n', 'R', 9199, 455, 'i'], [4051, 8463, 'i', 6667, 'N', 'k', 'X', 2629, 'I', 'O', 5057, 1059, 4265, 'B', 3819, 'c', 9941, 'R', 'a', 5545, 'x', 'f', 'n', '5565', '4103', 'q', 'n', 'h', '625', '2981', '3243', 'q', '2705', '5505', 's', '4423', 'j', '9819', '3841', 'Z', 'a', 9953, 6229, 'F', 2985]
answer:
x, f, n, 5565, 4103, q, n, h, 625, 2981, 3243, q, 2705, 5505, s, 4423, j, 9819, 3841, Z


question:
['K', 'F', 's', 'W', 'P', 'Q', '1807', '6903', '6629', '5515', 'h', 'Q', 'X', 'u', 4709], [6987, 'x', 5283, 'D', 'P', 'Q', '1807', '6903', '6629', '5515', 'N', 'o', 'q', 'd']
answer:

P, Q, 1807, 6903, 6629, 5515