instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
['l', 8387, '6019', 'r', 't', 'Y'], ['S', 'q', '6019', 'r', 'Z', 9863]
answer:
6019, r


question:
['D', 'B', 6407, 'L', 'P', 'B', '4529', 'r', 's', 7599, 373], ['f', 'E', 'L', 'P', 'B', '4529', 't', 3723]
answer:
L, P, B, 4529


question:
[5465, 'B', 'h', '3831', 'e', 4549], ['Y', 'X', 'h', '3831', 'N', 'c']
answer:

h, 3831


