In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.

[EX Q]: [4005, 'l', 'F', 4041, 'D', 5853, 'w', 'U', 'w', 'B', 'R', 'S', 4969, 'i', 3323, 889, 'N', 'I', 'T', '3715', 'l', '7103', '5669', 'd', '6091', '6783', 'g', '2319', '5827', 'l', '9691', '2421', 'W', '8085', 'p', 4245, 'H', 'v', 5431, 'q', 'w', 'g', 'u', 'l', 9089, 's', 6469, 'P', 'r'], [625, 'R', 2937, 6877, 'I', 'T', '3715', 'l', '7103', '5669', 'd', '6091', '6783', 'g', '2319', '5827', 'l', '9691', '2421', 'W', '8085', 'O', 's', 'k', 'b', 719, 'F', 779, 295, 3669, 'h', 't', 305, 677]
[EX A]: I, T, 3715, l, 7103, 5669, d, 6091, 6783, g, 2319, 5827, l, 9691, 2421, W, 8085

[EX Q]: ['o', 'k', '8037', '2095', 'E', 'l'], [4673, 'J', '8037', '2095', 't', 'F']
[EX A]: 8037, 2095

[EX Q]: [8491, 'c', 'N', 'y', '6661', '69', '7361', 'T', '6539', 'F', 'a', 'H', 'P', 5043, 'L'], ['b', 3457, 9589, 'L', 6167, 'n', 'p', 'N', 'y', '6661', '69', '7361', 'T', '6539', 'F', 'a', 'H', 'Q', 369, 4515, 'r', 'O', 8241, 1591, 'c']
[EX A]:
N, y, 6661, 69, 7361, T, 6539, F, a, H