instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
['x', 'T', 'K', 'i', 935, 's', 209, 6485, 7803, 'Z', 'Q', 'H', 'u', '5629', '7573', '4679', '73', '6729', '1943', 'Y', 'b', '1595', 'R', '1475', '9785', '3773', '4077', '2189', 'r', 'd', '9613', 'L', 'S', '6619', '9039', '7557', '999', 'F', 'N', 'p', 9815, 'Q', 'u', 'U', 1559, 'Y', 'z', 'i', 3473, 's', 7251, 5303, 'k', 'u'], [9843, 'H', 3903, 6499, 'y', 'u', 'v', 'i', 'p', 8877, 27, 'Z', 6151, 5793, 'F', 'u', 'K', 'f', 'F', 8005, 'r', 4323, 2093, '5629', '7573', '4679', '73', '6729', '1943', 'Y', 'b', '1595', 'R', '1475', '9785', '3773', '4077', '2189', 'r', 'd', '9613', 'L', 'S', '6619', '9039', '7557', '999', 'F', 'O', 'u', 'J']
answer:
5629, 7573, 4679, 73, 6729, 1943, Y, b, 1595, R, 1475, 9785, 3773, 4077, 2189, r, d, 9613, L, S, 6619, 9039, 7557, 999, F


question:
[431, 4017, 'R', 'a', 'F', '9581', 'Y', 'f', 'z', 'b', 1235], [4115, 'u', 'g', 'f', 2455, 'a', 'F', '9581', 'Y', 'f', 'z', 'm', 7245, 'I', 7021]
answer:
a, F, 9581, Y, f, z


question:
['t', 7391, 'h', 's', 6785, 8791, 'v', 'F', 'g', '5375', '9033', 'O', 'B', '193', '8667', '3253', '1445', 'a', 'U', '4069', '7993', '7773', '4593', 'T', 'm', 'C', 2155, 993], [4209, 'F', 'l', 7069, 'N', 'b', '5375', '9033', 'O', 'B', '193', '8667', '3253', '1445', 'a', 'U', '4069', '7993', '7773', '4593', 'T', 'm', 'B', 4001, 7223, 7743, 1103]
answer:

5375, 9033, O, B, 193, 8667, 3253, 1445, a, U, 4069, 7993, 7773, 4593, T, m