instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
[8471, 8309, 'g', 'f', 5019, 'd', 8129, 'r', 'e', 'l', 'B', '7297', 'c', '2785', '919', 'B', '5459', 'L', 5985, 2953, 6897, 'n', 9209, 3281, 'w', 4011, 't'], ['g', 7529, 'q', 6213, 'c', 'l', 6053, 'r', 'e', 'l', 'B', '7297', 'c', '2785', '919', 'B', '5459', 'B', 2159, 7633, 8707]
answer:
r, e, l, B, 7297, c, 2785, 919, B, 5459


question:
[4693, 'L', 7881, 9637, 'y', 's', 1851, '7315', 'i', 'I', '9393', '79', '279', '4549', '7217', '897', '2329', '5301', '3337', '9273', 'Z', 'a', 5545, 6795], ['t', 'W', 4149, 'h', 'M', 'A', 4569, 2677, '7315', 'i', 'I', '9393', '79', '279', '4549', '7217', '897', '2329', '5301', '3337', '9273', 'r', 2423, 6015, 3755, 6699, 'p', 39, 'h', 'b']
answer:
7315, i, I, 9393, 79, 279, 4549, 7217, 897, 2329, 5301, 3337, 9273


question:
[2299, 'Y', 659, 'u', 3831, 653, 2073, 'M', 3031, 8495, 'u', 'j', '2069', '1235', 'n', '9813', '9693', '9877', 'T', '5421', '7017', 'L', '231', 'Y', 'd', 'U', 2467, 'c', 8527, 6465, 2931, 'T', 'T', 8515, 2663, 971], ['C', 6721, 'j', 'C', '2069', '1235', 'n', '9813', '9693', '9877', 'T', '5421', '7017', 'L', '231', 'Y', 'H', 's', 3725]
answer:

2069, 1235, n, 9813, 9693, 9877, T, 5421, 7017, L, 231, Y