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

[EX Q]: ['m', 'K', 2769, 'i', 'k', 853, 'P', '9255', 'N', '8281', 'f', 'm', 'V', 'a', 3525, 7823, 2111, 'T'], ['Q', 1337, 'I', 'P', '9255', 'N', '8281', 'f', 'm', 'g', 'M', 3873]
[EX A]: P, 9255, N, 8281, f, m

[EX Q]: [5555, 'e', 'k', '4653', 'S', 'q', 'o', 'z'], [8655, 3981, 'k', '4653', 'S', 'q', 'k', 8991, 8619, 's']
[EX A]: k, 4653, S, q

[EX Q]: ['y', 'l', 'T', 1281, 1197, 'D', '7433', 'y', 'U', 'd', 't', 'k', 'Z', 5813, 3423], ['p', 9749, 'i', 'h', 'D', '7433', 'y', 'U', 'd', 'q', 'b', 'I', 1669, 3167]
[EX A]:
D, 7433, y, U, d