In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
--------
Question: [6917, 7141, '3657', '9205', 'b', 'm', 'Q', 'g', 'q', 'l'], [1429, 7173, 3447, '3657', '9205', 'b', 'm', 'Q', 'U', 'f']

Answer: 3657, 9205, b, m, Q


Question: ['n', 'E', '2891', '7537', 'Q', 'J'], [2247, 10017, '2891', '7537', 'e', 1001]

Answer: 2891, 7537


Question: ['l', 9109, '6117', 'i', '8073', '2473', 'z', 'u', 'i', 's'], ['M', 'm', '6117', 'i', '8073', '2473', 'p', 243, 'q']

Answer:
6117, i, 8073, 2473