In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
--------
Question: [6921, 9035, 1815, 'T', 7393, 6607, 'D', 'c', 293, 'U', 4409, 4737, 3515, 'I', 'a', '839', 'q', 'n', '2571', '5999', 'L', 'k', '9745', '9023', '7365', 'C', '2893', 'n', '7783', 'E', '5071', 'Z', '3647', 'f', '7281', '8791', 'U', 't', '3969', '2029', 'i', 'o', 'a', 'M', 7035, 'v', 4907, 'l', 9767, 9189, 6353, 2883, 'F', 'x', 7665, 6801, 'x', 'J', 'G', 5361, 'f', 'Y', 'u', 'K', 'c', 1779, 1115], [587, 779, 525, 'i', 's', 4247, 5713, 'I', 'a', '839', 'q', 'n', '2571', '5999', 'L', 'k', '9745', '9023', '7365', 'C', '2893', 'n', '7783', 'E', '5071', 'Z', '3647', 'f', '7281', '8791', 'U', 't', '3969', '2029', 'i', 'u', 4957, 'c', 'k', 5231, 'i', 'T', 'q', 'd']

Answer: I, a, 839, q, n, 2571, 5999, L, k, 9745, 9023, 7365, C, 2893, n, 7783, E, 5071, Z, 3647, f, 7281, 8791, U, t, 3969, 2029, i


Question: [7395, 'b', 'k', 4085, 2295, 'W', 'e', 'd', '1583', '9993', 'x', '2291', '1847', 'R', 'a', 'n', 'r', 'G', '7947', '6081', 'H', 'K', 't', '6537', 'q', 'V', '3423', '9531', '4907', '123', '4757', 'J', 'S', 'Q', 'D', 'f', 4941, 6655, 8343, 2509, 6487, 'b', 'E', 'f', 'n', 'v', 'j', 7091, 9231, 9129, 7785, 9709, 2645, 3179, 'U', 631, 7891], [7807, 8461, 'n', 'C', 9827, 1359, 'O', 3781, 'k', 'n', 'F', 'l', 'x', 'O', 4867, 'd', '1583', '9993', 'x', '2291', '1847', 'R', 'a', 'n', 'r', 'G', '7947', '6081', 'H', 'K', 't', '6537', 'q', 'V', '3423', '9531', '4907', '123', '4757', 'J', 'S', 'Q', 'D', 'H', 'B', 'f', 'X', 2529, 2153, 'u', 'z', 747, 5899, 1307, 'l', 'Q', 'x', 3787, 'b', 1187, 'h', 9519, 3483, 'q']

Answer: d, 1583, 9993, x, 2291, 1847, R, a, n, r, G, 7947, 6081, H, K, t, 6537, q, V, 3423, 9531, 4907, 123, 4757, J, S, Q, D


Question: ['f', 4087, 7955, 1193, 'Y', 'u', 3251, 'r', 'C', 'o', 'U', 'z', 2443, 'D', 'm', '1959', '5281', 'h', '6027', '5133', '1599', '2311', '3833', 'L', '4935', 'U', 'Q', 'I', 'j', 'Q', 'N', 'b', 'u', 'z', 7721, 1575, 2647, 'D'], ['o', 5047, 'x', 7353, 'x', 1823, 'g', 'R', 'K', 3789, 1687, 'z', '1959', '5281', 'h', '6027', '5133', '1599', '2311', '3833', 'L', '4935', 'U', 'Q', 'I', 'j', 'Q', 'N', 'b', 'R', 'D']

Answer:
1959, 5281, h, 6027, 5133, 1599, 2311, 3833, L, 4935, U, Q, I, j, Q, N, b