instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
['u', 'r', 849, 'R', 'F', 'T', '8517', 'n', 'W', '7945', '6371', 'l', 'S', 'G', '7431', 'x', 'b', 'B', '437', '9051', 'p', '465', 'u', 'R', 'p', 'p', 'T', 'z', 'q', 'I', 435, 'f', 5345, 7911, 'A', 4969, 'Z', 'z', 'g', 'F', 'j', 'p', 8691, 'W', 'g'], ['O', 'A', 'Y', 7777, 1037, 637, 'X', 3059, 1375, 1443, 1615, 9593, 'D', 'R', 'S', 'M', 5927, 'R', 'F', 'T', '8517', 'n', 'W', '7945', '6371', 'l', 'S', 'G', '7431', 'x', 'b', 'B', '437', '9051', 'p', '465', 'u', 'R', 'p', 'Q', 'Y', 1371, 'M', 'Q', 1545, 4395, 'm', 'R', 6291, 'g', 'X', 5919, 'p', 'V', 'Y', 'N', 1117, 'U']
answer:
R, F, T, 8517, n, W, 7945, 6371, l, S, G, 7431, x, b, B, 437, 9051, p, 465, u, R, p


question:
[4665, 'U', 1617, 4891, 3015, 'k', '9381', '4077', 'f', 'T', 'G', 'z', '9879', 'q', 'f', 'g', 'G', '8765', 'D', '1755', 'B', 'H', 'y', 6819, 9689, 4667, 6651, 'Z', 4359, 3239, 'k'], [4575, 7833, 7267, 't', 'C', 'k', '9381', '4077', 'f', 'T', 'G', 'z', '9879', 'q', 'f', 'g', 'G', '8765', 'D', '1755', 'v', 4883, 'l', 3055]
answer:
k, 9381, 4077, f, T, G, z, 9879, q, f, g, G, 8765, D, 1755


question:
['n', 2397, 6867, 1135, 'F', 6901, 'u', 'g', 'R', 'O', 'z', 'L', 5377, 8275, 'r', 'R', '3135', 'x', '1409', 'c', 'm', '3359', 'k', 'H', 'U', '4761', 'i', '5521', '2913', '9007', 'B', 'O', 'y', 'k', 5995, 2423, 6735, 6619, 'v', 'J', 'Q', 3019, 'N'], ['B', 'T', 111, 2081, 'a', 6891, 3795, 'L', 'U', 7249, 'S', 'd', 331, 531, 'l', 8201, '3135', 'x', '1409', 'c', 'm', '3359', 'k', 'H', 'U', '4761', 'i', '5521', '2913', '9007', 'B', 'O', 'r', 'a', 2605, 'Q', 9109, 8931, 5787, 'a', 2117, 'g', 'h', 3939, 'W', 'j']
answer:

3135, x, 1409, c, m, 3359, k, H, U, 4761, i, 5521, 2913, 9007, B, O