instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
['P', 'h', 9391, 'u', 9757, 'y', 'a', 'j', 'k', 'Y', '2091', 'U', 'p', 7959, 'F'], [1713, 2679, 'y', 'a', 'j', 'k', 'Y', '2091', 'U', 'V', 'r', 't', 'f', 8179]
answer:
y, a, j, k, Y, 2091, U


question:
['d', 897, 't', 1807, 'k', 'P', '5013', '1811', '9411', 'U', 'z', '2793', '3221', '5643', 'j', '1793', '9507', 'J', '6147', 'i', '4383', '723', 'z', 'c'], [2741, 'D', 5443, 'Z', 'k', 129, 3339, 'k', 'T', 'P', '5013', '1811', '9411', 'U', 'z', '2793', '3221', '5643', 'j', '1793', '9507', 'J', '6147', 'i', '4383', '723', 'd', 4353]
answer:
P, 5013, 1811, 9411, U, z, 2793, 3221, 5643, j, 1793, 9507, J, 6147, i, 4383, 723


question:
[4699, 807, 6219, 'b', 6483, 'y', 'r', 7837, 8903, 3581, 3885, 947, 'T', 8601, 'C', 2257, 'i', '1443', '5921', '1099', 'c', 'n', '2775', '7083', '3573', '7413', '9769', 'Q', 'U', '5001', '3131', 'A', '8793', '4477', 'O', 'F', 77, 8521], [1195, 'w', 'S', 'x', 'h', 1227, 8711, 'D', 'B', 'i', 7267, 'v', 'X', 'i', 'p', 2499, 'X', 'i', '1443', '5921', '1099', 'c', 'n', '2775', '7083', '3573', '7413', '9769', 'Q', 'U', '5001', '3131', 'A', '8793', '4477', 'O', 'b', 'Q', 'K', 'k', 6101, 1555, 'G', 4723]
answer:

i, 1443, 5921, 1099, c, n, 2775, 7083, 3573, 7413, 9769, Q, U, 5001, 3131, A, 8793, 4477, O