In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['q', 'Q', 'n', 'H', '3819', 'p', '2933', 'E', 'V', 'k'], ['s', 'N', 5931, 5705, 'n', 'H', '3819', 'p', '2933', 'F', 'i', 'q']