instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
[621, 7677, 'b', '889', '6721', 'H', 'd', 'S'], [8151, 'F', 'b', '889', '6721', 'h', 4123]
answer:
b, 889, 6721


question:
['A', 8381, 'L', 'r', 8779, 8469, 'n', 'E', 'B', 659, 8495, 9403, 'g', 'H', 7973, 4665, 'W', 'L', '5385', '5525', 'i', 't', '1385', '4881', 's', 'x', 't', 'z', 'k', 'M', 'K', '2923', '4233', '7577', 'x', 'v', 'e', 2637, 6857, 'T', 'N', 9975, 8949, 7561, 4607, 'V', 9591, 'A'], ['a', 'C', 'X', 'J', 'w', 'F', 'b', 'W', 'L', '5385', '5525', 'i', 't', '1385', '4881', 's', 'x', 't', 'z', 'k', 'M', 'K', '2923', '4233', '7577', 'x', 'D', 'I', 4361, 'L', 'f', 9415, 'W', 41, 'e', 6565, 'W', 6563, 9523, 'e']
answer:
W, L, 5385, 5525, i, t, 1385, 4881, s, x, t, z, k, M, K, 2923, 4233, 7577, x


question:
['P', 8189, '5813', '3631', 'B', 'C'], [5961, 'i', '5813', '3631', 's', 'E']
answer:

5813, 3631