In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
--------
Question: ['s', 5215, 'X', 4785, 6947, 5893, 7053, 't', 5871, 'k', 1691, 'Z', 2873, 'J', '887', '247', 't', '7731', '8425', '3371', 'o', '5243', '8871', '2477', 'E', 'w', 'D', 'r', '8971', 'J', '549', 't', 'X', 'A', 'W', 5429, 8573, 'F', 'G', 'm', 's', 167, 9123, 6207, 9613, 2093, 'V', 3531], [5343, 'Y', 'l', 'V', 8421, 3519, 5427, 'E', 'S', 'J', '887', '247', 't', '7731', '8425', '3371', 'o', '5243', '8871', '2477', 'E', 'w', 'D', 'r', '8971', 'J', '549', 'z', 'R', 'l', 1275, 5871, 9461, 2255, 'K', 6005, 3441, 4125, 2315, 'R', 7447, 4823, 785]

Answer: J, 887, 247, t, 7731, 8425, 3371, o, 5243, 8871, 2477, E, w, D, r, 8971, J, 549


Question: [5555, 'e', 'k', '4653', 'S', 'q', 'o', 'z'], [8655, 3981, 'k', '4653', 'S', 'q', 'k', 8991, 8619, 's']

Answer: k, 4653, S, q


Question: ['w', 7977, 7217, 3587, 'd', 'f', 'U', '2395', '6719', '1581', 'N', 'v', 6557, 'u'], [1413, 'r', 775, 813, 7451, 'f', 'U', '2395', '6719', '1581', 'N', 'b', 'f', 5387, 'W', 3891]

Answer:
f, U, 2395, 6719, 1581, N