instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
[9673, 'V', 'q', 8183, 4703, '9707', 'Y', '7685', 'o', 'b', 'a', 'g', 'R', '551', 'W', 'Q', 1263, 'd', 'S'], [3777, 'a', 't', 'b', 'P', 'L', 3443, 6611, 1651, 'G', '9707', 'Y', '7685', 'o', 'b', 'a', 'g', 'R', '551', 'W', 'E', 'y', 'U']
answer:
9707, Y, 7685, o, b, a, g, R, 551, W


question:
[3287, 6115, 5707, 'Y', 'a', 'w', 'K', 4691, 471, 6405, '655', 'U', '289', 'o', '3129', 'R', '9269', 'p', '9361', 'i', 'B', '7357', '9831', '2559', 'P', 'R', 'j', 'f', 'a', '3327', 'a', 'F', 'H', 'h', '8175', '4827', 'y', 6833, 8347, 'D', 2539, 'K', 2775, 2519, 'd', 'h', 'u', 'K', 1525], ['A', 'z', 8243, 'r', 's', 'C', 6111, 'o', 1311, 1511, 'I', 'i', 'J', 3413, '655', 'U', '289', 'o', '3129', 'R', '9269', 'p', '9361', 'i', 'B', '7357', '9831', '2559', 'P', 'R', 'j', 'f', 'a', '3327', 'a', 'F', 'H', 'h', '8175', '4827', 'u', 'k', 'R', 'P', 8947, 'X', 'H', 'G', 5701, 't', 1919, 819, 'j', 'G', 8379, 2409, 5285, 183, 8199, 'T', 'S', 'J']
answer:
655, U, 289, o, 3129, R, 9269, p, 9361, i, B, 7357, 9831, 2559, P, R, j, f, a, 3327, a, F, H, h, 8175, 4827


question:
[4987, 'l', 9835, 8515, '2073', 'V', 'z', '6973', '3419', 'R', 'X', 'Q'], ['y', 'O', 'b', 'F', 'l', 6051, '2073', 'V', 'z', '6973', '3419', 'R', 'Q', 'u', 'Q', 2665, 'G', 'q']
answer:

2073, V, z, 6973, 3419, R