instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
[2975, 3781, 'D', 'd', 'K', 4033, '3783', 'n', 'k', '327', 't', '9871', '233', 's', 'e', 'P', 3411, 'J', 'e'], [4339, 2811, '3783', 'n', 'k', '327', 't', '9871', '233', 'l', 'f', 4263, 7913]
answer:
3783, n, k, 327, t, 9871, 233


question:
['Y', 'z', 5335, 'X', 3843, 'D', 4457, 2327, 'V', 7231, 'y', 4551, 'W', 9241, '7147', '6713', '9717', '8795', '3161', 'V', '1129', '2943', '9809', 'a', '3273', 'y', 'R', 'M', 'g', 'E', 'D', 'd', 'x', 5331, 7187, 'J', 3839, 't'], [1485, 'f', 8207, 5859, 'D', 'k', 't', 'r', 'z', 613, 9091, 4893, 5755, '7147', '6713', '9717', '8795', '3161', 'V', '1129', '2943', '9809', 'a', '3273', 'y', 'R', 'M', 'Q', 5331, 'c', 3531, 6477, 'a']
answer:
7147, 6713, 9717, 8795, 3161, V, 1129, 2943, 9809, a, 3273, y, R, M


question:
[4321, 'v', 'h', 'u', 7797, 'r', 'r', '1253', '9855', '6881', 'z', '7627', 'W', 'N', 'W', 'e', 'n', 7755, 'm', 'h', 7815], [4269, 4673, 'r', '1253', '9855', '6881', 'z', '7627', 'W', 'N', 'Z', 'g', 'G', 2125, 'X', 3551]
answer:

r, 1253, 9855, 6881, z, 7627, W, N