instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
['P', 'E', 'w', 4729, 8995, 'z', 3939, '9711', '4699', 'c', '351', '7279', 'A', '719', 'j', '9659', '8455', '6859', 'E', '903', '1827', 'M', '3035', 'N', '2573', '4995', 'U', '8289', 'k', 'b', 'U', '1961', 'v', 1077, 153, 8063, 'h', 'k'], ['A', 2845, '9711', '4699', 'c', '351', '7279', 'A', '719', 'j', '9659', '8455', '6859', 'E', '903', '1827', 'M', '3035', 'N', '2573', '4995', 'U', '8289', 'k', 'b', 'U', '1961', 'h', 9115, 'v', 275, 'C', 7405, 4211, 'X', 'O', 'e', 'n', 2507, 875, 'o', 6189, 'g', 'k', 3781, 1027, 807, 'g', 7213]
answer:
9711, 4699, c, 351, 7279, A, 719, j, 9659, 8455, 6859, E, 903, 1827, M, 3035, N, 2573, 4995, U, 8289, k, b, U, 1961


question:
[4817, 'A', '3155', 'W', 'm', 4061], [7701, 'P', '3155', 'W', 't', 'J']
answer:
3155, W


question:
['o', 'z', 'a', 'b', 'f', 'E'], ['H', 3773, 'a', 'b', 'D', 'Y']
answer:

a, b