instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
[1379, 'n', 1525, 'Y', 'A', '9043', '2335', '5029', 'f', 'b', '7547', '4275', 'R', 'H', 'd', 8015, 10007, 'R', 'K', 'n', 'o', 'U', 3049], ['k', 379, 'M', 'M', 'a', '9043', '2335', '5029', 'f', 'b', '7547', '4275', 'R', 'H', 'q', 'v', 7549]
answer:
9043, 2335, 5029, f, b, 7547, 4275, R, H


question:
[6971, 'd', 'J', 'p', 'F', 5463, 'F', 'P', 1897, 'J', 'O', 'j', 'H', 'y', '3659', '9455', 'P', '9829', 'm', 'Q', 7829, 'C', 5311], ['E', 'R', 'H', 217, 'J', 'O', 'j', 'H', 'y', '3659', '9455', 'P', '9829', 'm', 'T', 5849, 1449]
answer:
J, O, j, H, y, 3659, 9455, P, 9829, m


question:
['t', 6969, 7619, 'V', 'O', 'l', '3685', 'U', 's', 'f', 'z', 'F', 'x', 'B', 7763, 7261, 'W', 473], [1045, 't', 'W', 'O', 6889, 'O', 'l', '3685', 'U', 's', 'f', 'z', 'F', 'x', 'p', 'C', 'T', 'q', 3141]
answer:

O, l, 3685, U, s, f, z, F, x