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

[EX Q]: [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]
[EX A]: a, F, 9581, Y, f, z

[EX Q]: ['C', 'a', 5955, 5411, 'a', 'x', '9177', '1943', 'P', '7863', '6755', 'o', '5373', '2989', 'g', 'A', 'a', 'J', 'B', '8111', 'u', 'x', '4477', 'N', 'f', '4307', 'e', '3095', 'e', 'R', 'A', 'R', 5893, 't', 5495, 2381, 2823, 't', 'c', 'k', 9259, 4655, 8337, 8027, 'D', 7767, 'F'], ['V', 'w', 'x', 'p', 'N', 4045, 'h', 'h', 2607, 6243, 'F', 8575, 7799, 5463, 'N', 'j', 5469, 'x', '9177', '1943', 'P', '7863', '6755', 'o', '5373', '2989', 'g', 'A', 'a', 'J', 'B', '8111', 'u', 'x', '4477', 'N', 'f', '4307', 'e', '3095', 's', 9037, 'F', 'a', 'S', 9619, 8457, 'o', 8497, 675, 'B', 't', 'Y', 'x', 'x', 'K', 9773]
[EX A]: x, 9177, 1943, P, 7863, 6755, o, 5373, 2989, g, A, a, J, B, 8111, u, x, 4477, N, f, 4307, e, 3095

[EX Q]: [9235, 3023, 'I', '8447', 't', '7053', '7437', '7567', 'H', 'h', '1731', '7427', 'Q', 'f', 'a', 'U', 'F', 'h', 9249, 'F', 'T', 'y', 6967, 'e', 'N', 's', 's', 'Z'], [8379, 7327, 7751, 'J', 'm', 5123, 2761, 'p', 'l', 'w', 1627, 5495, 'I', '8447', 't', '7053', '7437', '7567', 'H', 'h', '1731', '7427', 'Q', 'f', 'a', 'Q', 'o', 'f', 9433, 'm', 7045, 3657, 4149, 'h', 6487]
[EX A]:
I, 8447, t, 7053, 7437, 7567, H, h, 1731, 7427, Q, f, a