In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
Q: [2227, 8603, '9943', 'E', '4351', 't', 'l', 'x'], [5983, 'q', '9943', 'E', '4351', 'V', 4367]
A: 
9943, E, 4351