instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
[1231, 'a', 9367, '155', 'r', '1473', '5679', '3161', 'L', 'e', 'b', 'm', '9427', '2001', '5293', '3487', 'K', '6467', 'S', 'e', 6603, 'm', 8145, 'L', 's', 1273, 9291, 'X'], [5773, 'D', 'W', 'F', 5987, 'D', 'H', 2095, 'I', 'X', 29, '155', 'r', '1473', '5679', '3161', 'L', 'e', 'b', 'm', '9427', '2001', '5293', '3487', 'K', '6467', 'S', 'C', 'a']
answer:
155, r, 1473, 5679, 3161, L, e, b, m, 9427, 2001, 5293, 3487, K, 6467, S


question:
[3043, 'd', 1055, '2909', 'J', 'D', '4735', '6701', 'v', 'P', '4341', '7905', 'G', '5297', '6721', 'Y', 'f', 4599], ['Q', 'X', 2931, 'f', 3139, 'r', 3625, 4375, 'B', 8381, '2909', 'J', 'D', '4735', '6701', 'v', 'P', '4341', '7905', 'G', '5297', '6721', 'N', 8281, 'W', 'u', 5969, 'w', 'b', 1735, 'j']
answer:
2909, J, D, 4735, 6701, v, P, 4341, 7905, G, 5297, 6721


question:
[5307, 'b', 'I', '9451', 'W', 7941], [8087, 'U', 'I', '9451', 'g', 'I']
answer:

I, 9451