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:
[6507, 8623, 6879, '1327', '6971', 'd', 'A', 3663, 7831], [1711, 4751, 3479, '1327', '6971', 'd', 'u', 1771]
answer:
1327, 6971, d


question:
['R', 2247, 1313, 'D', 'l', '4803', 'P', 'w', 'O', '6733', '3141', 'H', 'l', '2999', '2407', '8191', '2065', '959', '8805', '9427', 'r', '6883', 'T', '6697', 'Q', '7533', 'y', '1535', 'A', '7331', 'j', 2139, 9075, 6061, 'U', 6493, 'w', 'U', 4373, 2569, 4211, 'x', 197, 'P', 9647, 'T', 5949, 4933, 'L', 'l', 1045], ['b', 4717, 'b', 'C', 9665, 'l', '4803', 'P', 'w', 'O', '6733', '3141', 'H', 'l', '2999', '2407', '8191', '2065', '959', '8805', '9427', 'r', '6883', 'T', '6697', 'Q', '7533', 'y', '1535', 'A', '7331', 's', 'V', 'c', 5155, 'L', 7903, 4133, 165, 'R', 'j']
answer:

l, 4803, P, w, O, 6733, 3141, H, l, 2999, 2407, 8191, 2065, 959, 8805, 9427, r, 6883, T, 6697, Q, 7533, y, 1535, A, 7331