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:
[273, 'i', 4051, 9063, 'D', 'E', 5087, 'M', '9959', '6273', 'p', 'L', 'B', 'H', '7889', '9933', 'p', '519', '339', 'h', 'u', 5559, 1733, 9555], ['i', 5977, 'r', 'b', 589, '9959', '6273', 'p', 'L', 'B', 'H', '7889', '9933', 'p', '519', '339', 'n', 'y', 'q']
answer:
9959, 6273, p, L, B, H, 7889, 9933, p, 519, 339


question:
[3689, 9075, 6227, '639', 'U', 'A', 'k', 'B'], ['m', 'S', 8889, '639', 'U', 'A', 'c', 7511]
answer:

639, U, A