instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
['M', 7643, 'K', 8165, 'e', '6737', '6573', '9181', 'n', 'l', '6555', '7291', '1765', 'Q', '4605', '7507', '6775', 'x', 'n', '8703', 'y', '2301', 'E', 'L', 5655, 5237, 'G', 'H', 'g', 'K', 9089], ['t', 1921, 'e', '6737', '6573', '9181', 'n', 'l', '6555', '7291', '1765', 'Q', '4605', '7507', '6775', 'x', 'n', '8703', 'y', '2301', 'E', 'H', 2771, 7085]
answer:
e, 6737, 6573, 9181, n, l, 6555, 7291, 1765, Q, 4605, 7507, 6775, x, n, 8703, y, 2301, E


question:
[5413, 'T', 'i', 'Q', 'Y', 'H', '2143', 'M', 'p', 'M', 'l'], ['Y', 'p', 'Y', 'H', '2143', 'M', 'A', 5017, 4553]
answer:
Y, H, 2143, M


question:
[9837, 3761, '7943', 'l', 'm', 213], [6043, 5659, '7943', 'l', 'Z', 'F']
answer:

7943, l