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

[EX Q]: [9889, 'I', 'f', 'y', '3773', '4483', 'Y', '2325', 'M', '247', '8091', 'H', '3787', '3845', 'i', 'L', 't', '6949', '6019', '5929', 'm', 2573, 839, 'a', 'S', 9999, 'H', 135, 1089], ['Y', 'a', 9301, 'l', 'v', 'f', 'y', '3773', '4483', 'Y', '2325', 'M', '247', '8091', 'H', '3787', '3845', 'i', 'L', 't', '6949', '6019', '5929', 'Q', 9865, 7343, 741, 863, 'I', 'M', 'u']
[EX A]: f, y, 3773, 4483, Y, 2325, M, 247, 8091, H, 3787, 3845, i, L, t, 6949, 6019, 5929

[EX Q]: ['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]
[EX A]: y, a, j, k, Y, 2091, U

[EX Q]: ['I', 'c', 6517, 2197, 5691, 'U', 'B', '9149', 'U', 'R', '8589', 'r', '1329', '7559', '5375', '4935', 'r', 5909], ['m', 6645, 5131, 7061, 1851, '9149', 'U', 'R', '8589', 'r', '1329', '7559', '5375', '4935', 'Q', 5417]
[EX A]:
9149, U, R, 8589, r, 1329, 7559, 5375, 4935