In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.

[EX Q]: [4339, 'i', 7857, 315, 'W', '3573', '689', 'y', '9557', 'J', 'b', '2185', 'i', 7649, 'F', 'g', 6973], ['r', 5097, 5467, 't', 'N', 'Y', 'W', '3573', '689', 'y', '9557', 'J', 'b', '2185', 'l', 837, 643, 2055, 'J', 'I']
[EX A]: W, 3573, 689, y, 9557, J, b, 2185

[EX Q]: ['x', 653, 8793, 'W', 1845, 'Y', 6363, 9757, '9605', 'U', '1913', '2991', '7131', '237', '7023', 'j', '2123', 'B', '1887', 'K', '3729', 'D', '8391', '9729', 'w', 'k', 'M', '6957', 'J', 703, 'F', 'X', 'x', 7483], ['q', 10017, 5483, 8675, 'w', 'F', 'D', '9605', 'U', '1913', '2991', '7131', '237', '7023', 'j', '2123', 'B', '1887', 'K', '3729', 'D', '8391', '9729', 'w', 'k', 'M', '6957', 'n', 7147, 7131, 'q', 'u', 'A', 1171, 'V', 'k', 'N', 6869]
[EX A]: 9605, U, 1913, 2991, 7131, 237, 7023, j, 2123, B, 1887, K, 3729, D, 8391, 9729, w, k, M, 6957

[EX Q]: ['o', 3517, 7353, 1665, 'm', 8391, 3127, '939', '781', 'I', '4329', '3333', 'j', 'p', '7835', 'x', 'g'], [7955, 'h', 9279, 'j', 2115, 8495, 7757, '939', '781', 'I', '4329', '3333', 'j', 'p', '7835', 'Q', 5875, 'B', 't', 'v', 4031]
[EX A]:
939, 781, I, 4329, 3333, j, p, 7835