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

[EX Q]: [7319, 'V', 'f', 't', 'M', 'L'], [4655, 3353, 'f', 't', 'G', 1263]
[EX A]: f, t

[EX Q]: ['g', 305, '8447', 'K', 'y', 'D'], [2445, 5519, '8447', 'K', 't', 'l']
[EX A]: 8447, K

[EX Q]: ['w', 3427, 4969, 9663, 'I', '2123', '213', 'H', 'p', '9213', '1409', '411', 'C', '4273', '7965', 'a', 'h', '4835', '8663', 'g', 'C', 'F', 139, 'N', 861, 9841, 7149], [2619, 'C', 'o', 8161, 1483, 7835, 6761, 'd', 8197, 'w', 'k', 'S', 'y', 2079, 'I', '2123', '213', 'H', 'p', '9213', '1409', '411', 'C', '4273', '7965', 'a', 'h', '4835', '8663', 'g', 'A', 3879, 'b', 6383, 'i', 'i', 5801, 4757, 3989, 'B', 2153, 1377, 'i', 'S']
[EX A]:
I, 2123, 213, H, p, 9213, 1409, 411, C, 4273, 7965, a, h, 4835, 8663, g