instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
[9673, 'V', 'q', 8183, 4703, '9707', 'Y', '7685', 'o', 'b', 'a', 'g', 'R', '551', 'W', 'Q', 1263, 'd', 'S'], [3777, 'a', 't', 'b', 'P', 'L', 3443, 6611, 1651, 'G', '9707', 'Y', '7685', 'o', 'b', 'a', 'g', 'R', '551', 'W', 'E', 'y', 'U']
answer:
9707, Y, 7685, o, b, a, g, R, 551, W


question:
[6917, 7141, '3657', '9205', 'b', 'm', 'Q', 'g', 'q', 'l'], [1429, 7173, 3447, '3657', '9205', 'b', 'm', 'Q', 'U', 'f']
answer:
3657, 9205, b, m, Q


question:
['o', 'h', 1177, 'k', 6159, 'j', 'p', 6561, 'h', 8197, 6315, 9123, 5489, 5605, 'u', 'w', 4973, 5361, '1833', '3577', '9267', 'l', 'O', '5201', '847', '6303', '1395', '1341', '6209', '7759', '3239', '5359', '6673', 'F', 'O', '3927', 'z', 'k', '567', '4795', 'f', 8767, 'L', 's', 5315, 8997, 3689], ['D', 'p', 3729, 'a', 'Y', 4197, 2627, 7573, 'B', 'G', 'f', 5225, 3767, 7985, 'f', 'I', 1083, '1833', '3577', '9267', 'l', 'O', '5201', '847', '6303', '1395', '1341', '6209', '7759', '3239', '5359', '6673', 'F', 'O', '3927', 'z', 'k', '567', '4795', 'e', 2871, 6993, 5249, 'c', 6225, 'C', 2921, 5955, 's', 'I', 3317, 'N', 'A', 'w', 'I', 'x', 'Z', 'K']
answer:

1833, 3577, 9267, l, O, 5201, 847, 6303, 1395, 1341, 6209, 7759, 3239, 5359, 6673, F, O, 3927, z, k, 567, 4795