In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
--------
Question: [4665, 'U', 1617, 4891, 3015, 'k', '9381', '4077', 'f', 'T', 'G', 'z', '9879', 'q', 'f', 'g', 'G', '8765', 'D', '1755', 'B', 'H', 'y', 6819, 9689, 4667, 6651, 'Z', 4359, 3239, 'k'], [4575, 7833, 7267, 't', 'C', 'k', '9381', '4077', 'f', 'T', 'G', 'z', '9879', 'q', 'f', 'g', 'G', '8765', 'D', '1755', 'v', 4883, 'l', 3055]

Answer: k, 9381, 4077, f, T, G, z, 9879, q, f, g, G, 8765, D, 1755


Question: [891, 1259, 'q', 9801, 3147, 1589, 'u', 'm', 'd', 21, 'm', 'E', 'a', 'K', 'N', '1387', 't', 'w', 'c', 'F', '2369', '2875', 'P', 'B', 'J', '9801', 'j', '6919', 'y', '3757', 'e', 'R', '7811', 'x', 't', '7071', 'W', 'b', 7489, 'B', 'z', 'r'], [8553, 'f', 5473, 9933, 'i', 'L', 'Z', 'r', 1103, 'a', 'H', 9257, 1277, 5689, 6551, 8359, 9607, 'E', 'a', 'K', 'N', '1387', 't', 'w', 'c', 'F', '2369', '2875', 'P', 'B', 'J', '9801', 'j', '6919', 'y', '3757', 'e', 'R', '7811', 'x', 't', '7071', 'W', 'i', 'E', 'V', 'S', 6121, 'q', 't', 'U', 1311, 'q', 3583, 7505, 265, 3415, 'j', 'w']

Answer: E, a, K, N, 1387, t, w, c, F, 2369, 2875, P, B, J, 9801, j, 6919, y, 3757, e, R, 7811, x, t, 7071, W


Question: [6347, 5629, 6521, 'U', 3953, 'M', 'W', '1599', 'h', '2563', '529', '9467', 't', 'B', 'j'], ['k', 'p', 'W', '1599', 'h', '2563', '529', '9467', 't', 'y', 'o', 'R', 8443, 'R', 6017]

Answer:
W, 1599, h, 2563, 529, 9467, t