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: [6917, 7141, '3657', '9205', 'b', 'm', 'Q', 'g', 'q', 'l'], [1429, 7173, 3447, '3657', '9205', 'b', 'm', 'Q', 'U', 'f']

Answer: 3657, 9205, b, m, Q


Question: ['F', 'L', 8217, 5555, 'M', 'D', 'S', 'u', 'b', 'X', '3721', '5831', 'z', '7389', 'X', 'A', '6947', 'Y', '6355', 't', 'S', 6039, 95, 'S', 'o', 'T', 2545, 3325, 9993, 7819], ['L', 5553, 'A', 8911, 'L', 'n', 2619, 7503, 'S', 'u', 'b', 'X', '3721', '5831', 'z', '7389', 'X', 'A', '6947', 'Y', '6355', 't', 'D', 'w', 'F', 459, 'a', 'j']

Answer:
S, u, b, X, 3721, 5831, z, 7389, X, A, 6947, Y, 6355, t