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

[EX Q]: ['L', 5499, 'z', 'J', 'I', 't', 6291], [337, 5087, 'z', 'J', 'I', 'p', 'm']
[EX A]: z, J, I

[EX Q]: ['R', 'k', 'g', 4045, 'W', '4923', '9161', '4031', '7443', 'f', 'U', 2683, 'Y'], [943, 'v', '4923', '9161', '4031', '7443', 'f', 't', 'm', 9213]
[EX A]: 4923, 9161, 4031, 7443, f

[EX Q]: [7667, 'U', 5597, 9391, 'm', 'F', 683, 'k', 'r', 'm', 4389, 'X', 'p', 39, 'E', '8801', 't', 'B', 'V', 'v', 'e', 'p', '9493', '4805', 'n', 'V', 'C', '4657', '6173', '3989', '9599', 'U', 'r', 's', '5255', '5265', 'r', 8425, 2993, 'e', 6063, 9811, 'P', 7403], [3191, 'S', 'b', 'F', 'B', 'Z', 'i', 'A', 1703, 'q', 3449, 'Q', 'X', 'f', 'k', 4455, 'L', '8801', 't', 'B', 'V', 'v', 'e', 'p', '9493', '4805', 'n', 'V', 'C', '4657', '6173', '3989', '9599', 'U', 'r', 's', '5255', '5265', 'F', 'b', 6335, 615, 6181, 'K', 'U', 'F', 'a', 7617, 'F', 'W', 'N', 'Z', 8971, 'h', 9081, 'h', 4427, 'j']
[EX A]:
8801, t, B, V, v, e, p, 9493, 4805, n, V, C, 4657, 6173, 3989, 9599, U, r, s, 5255, 5265