In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[1875, 'T', 'Y', '5527', 'F', 'y', '5669', 'm', 'k', 2655, 8089], [3997, 7707, 9937, 'M', '5527', 'F', 'y', '5669', 'm', 'a', 'e']