In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[5587, 'k', 9451, 'O', 2747, 7425, '7799', '3087', '5067', '1211', 'G', 'j', 'o', 's', 'S', 1363, 4789, 8911], ['A', 9069, 'y', 9613, '7799', '3087', '5067', '1211', 'G', 'j', 'o', 't', 8887]