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

Let me give you an example: [5797, 8817, '8297', 'b', 'U', 'b'], [5843, 8809, '8297', 'b', 'W', 'C']
The answer to this example can be: 8297, b
Here is why: Here, '8297, b' is the longest common subsequence in both the input lists [5797, 8817, '8297', 'b', 'U', 'b'] and [5843, 8809, '8297', 'b', 'W', 'C'].

OK. solve this:
['A', 957, 4075, 6385, 'y', 'D', 'X', 4831, 9337, 'E', 'N', 'I', '5869', 'X', '4653', '3707', 'F', 'y', '9107', '5087', 't', 'f', 'U', 'q', 4833, 1175, 9571, 7243, 9543], ['Q', 'D', 'N', 'I', '5869', 'X', '4653', '3707', 'F', 'y', '9107', '5087', 'D', 'G', 'P', 9083, 'Z', 'x', 1317]
Answer:
N, I, 5869, X, 4653, 3707, F, y, 9107, 5087