instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
[7491, 'w', 'F', 2929, '6969', '2729', '4371', '6153', 'a', 'r', 'y', 'h', 'y', 'g', 'C', '1381', '5801', '8697', '4093', 'X', 'n', 821, 1983, 'S', 6305, 'O', 6533, 'q', 901, 'U', 2911], [3143, 1605, 4373, 'T', 7055, '6969', '2729', '4371', '6153', 'a', 'r', 'y', 'h', 'y', 'g', 'C', '1381', '5801', '8697', '4093', 'r', 'Z', 943, 861, 8883, 'b', 'n', 3409, 8943, 'M']
answer:
6969, 2729, 4371, 6153, a, r, y, h, y, g, C, 1381, 5801, 8697, 4093


question:
[6529, 'i', 8343, 't', 'h', 5181, 'k', '5863', 'm', 'P', '9787', 'r', '1383', 'U', 'a', 'p', 'T', '1635', 'J', 'X', 'O', 'E', 'W', 625, 'O', 'm'], [4169, 8965, 6125, 'U', 'x', 'E', 7203, 'I', 81, 'P', 'r', 8581, 'k', '5863', 'm', 'P', '9787', 'r', '1383', 'U', 'a', 'p', 'T', '1635', 'J', 'X', 'O', 'v', 'f', 'q', 'b', 'm', 'f', 9239, 'b', 895, 703, 7809, 'E', 'l', 'c', 7915]
answer:
k, 5863, m, P, 9787, r, 1383, U, a, p, T, 1635, J, X, O


question:
[6007, 8581, 'm', 'm', 'W', '2221', 'k', 'L', 'r', '6059', 'M', '5775', 'z', '809', '533', '7959', '3821', 'N', 5111, 5977, 'a', 3187, 2693, 'N', 'g', 'o', 4875, 'B'], [8753, 'D', 'n', 6219, 7787, 'W', '2221', 'k', 'L', 'r', '6059', 'M', '5775', 'z', '809', '533', '7959', '3821', 'Q', 'D', 'y', 4113, 'Y', 'i', 'h', 'J']
answer:

W, 2221, k, L, r, 6059, M, 5775, z, 809, 533, 7959, 3821