In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['A', 'H', '4435', 'y', 'W', 'o', 'U', 'y', '1063', 'z', '5591', 'b', 5435], ['e', 4015, 'v', 5831, '4435', 'y', 'W', 'o', 'U', 'y', '1063', 'z', '5591', 'Q', 2853, 'e', 7153, 'c', 'e']