instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
[4227, 9749, 'E', 6815, 4877, 1367, 'F', 'l', '4299', '8737', 'p', '4981', '55', 'w', '7071', '2225', '3843', '7029', 'j', 'L', 'K', 'X', 't', 3741, 'r', 's'], [5281, 5929, 'F', 'l', '4299', '8737', 'p', '4981', '55', 'w', '7071', '2225', '3843', '7029', 'j', 'L', 'E', 'D']
answer:
F, l, 4299, 8737, p, 4981, 55, w, 7071, 2225, 3843, 7029, j, L


question:
['s', 'M', 'y', 'b', 'S', 'P', 'J', '8781', '7865', '1961', '6767', 'a', 'r', 'H', 'j', 'a', 'b', 'i', 'A', 2579, 8191, 'g', 3591, 4195, 'q', 1357], ['F', 'U', 'G', 7763, 1385, 'm', 1089, 4701, 1565, 'm', 9713, 'P', 'J', '8781', '7865', '1961', '6767', 'a', 'r', 'H', 'j', 'a', 'X', 'b', 'f', 7385, 'G']
answer:
P, J, 8781, 7865, 1961, 6767, a, r, H, j, a


question:
['n', 'Y', 'U', 'k', 'a', 'U'], [8791, 'e', 'U', 'k', 'e', 'm']
answer:

U, k