In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
--------
Question: ['A', 'f', 's', 619, 'P', '6773', '2907', 'j', 'Y', '3815', '5619', '3681', '1259', 'k', 'k', 'p', '7817', 'e', '1227', 'T', '7201', 'o', 'o', 'W', 'U', 'E', '4881', 'h', '9013', '8427', 'W', 'B', '5309', 'V', 'L'], [7877, 9179, 'B', 'F', 'e', 4663, 'd', 7957, 'F', 'F', 'k', 'f', 8559, 'U', '6773', '2907', 'j', 'Y', '3815', '5619', '3681', '1259', 'k', 'k', 'p', '7817', 'e', '1227', 'T', '7201', 'o', 'o', 'W', 'U', 'E', '4881', 'h', '9013', '8427', 'W', 'B', '5309', 'J', 'R', 't', 'J', 'D', 'U', 'x', 'G', 'y', 'L', 7841, 'g', 's', 8385, 1631, 'Z', 6679, 4419, 'Y', 9253, 3709, 'E', 'a']

Answer: 6773, 2907, j, Y, 3815, 5619, 3681, 1259, k, k, p, 7817, e, 1227, T, 7201, o, o, W, U, E, 4881, h, 9013, 8427, W, B, 5309


Question: [4521, 9297, 1549, 'j', 6533, 5069, 2291, 3507, 6815, 1619, 5771, 'k', '1705', '9637', 'd', 'g', '3717', 'Q', 'V', '8195', 'S', 'E', 'a', 'y', 'r', 'k', 'o', 'L', 3267, 'L', 2907, 'l', 4505, 'm', 3519, 'g'], ['T', 'r', '1705', '9637', 'd', 'g', '3717', 'Q', 'V', '8195', 'S', 'E', 'a', 'y', 'A', 873, 's', 1819, 4947, 'E', 'k', 'I', 'M']

Answer: 1705, 9637, d, g, 3717, Q, V, 8195, S, E, a, y


Question: [4981, 3681, 3533, '481', '8831', 'X', '47', '6411', '4539', 'T', '131', 'I', 'D', 'k', 'A', 8769, 4745], [7605, 'i', '481', '8831', 'X', '47', '6411', '4539', 'T', '131', 'J', 4891, 4879]

Answer:
481, 8831, X, 47, 6411, 4539, T, 131