instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
[2255, 4205, 'U', '7567', 'k', 5167], ['Q', 9439, 'U', '7567', 'H', 1307]
answer:
U, 7567


question:
[9995, 237, 'f', 'q', '4659', 'C', '1809', 'g', '8581', '3805', '8549', 'H', '8421', 'J', '889', '1383', 'a', 'u', 'u', 'i', 6289, 6979, 8697, 9881, 1747, 4169, 99, 'V', 261, 'n', 2261, 9455], [5613, 'B', 'z', 3941, 571, 9137, 'G', 'a', 3419, 2805, 1425, 'x', 'f', 'q', '4659', 'C', '1809', 'g', '8581', '3805', '8549', 'H', '8421', 'J', '889', '1383', 'a', 'u', 'u', 'n', 3707, 5783]
answer:
f, q, 4659, C, 1809, g, 8581, 3805, 8549, H, 8421, J, 889, 1383, a, u, u


question:
[5711, 'S', 'S', 5553, 5671, 6585, 9057, 'X', 1365, 'G', 2883, 'H', 'M', 'm', '2887', '1897', '2683', 'b', '2075', '503', 'u', '9349', '5007', '5771', 's', '1701', '1421', '9275', 'a', '8895', 'N', 'F', 'R', 2927, 6091], [9229, 9637, 2007, 'l', 'm', '2887', '1897', '2683', 'b', '2075', '503', 'u', '9349', '5007', '5771', 's', '1701', '1421', '9275', 'a', '8895', 'G', 'c', 7889, 'K', 5883, 'w', 'o', 'i', 6765, 'z', 'E', 4641, 'n', 'd']
answer:

m, 2887, 1897, 2683, b, 2075, 503, u, 9349, 5007, 5771, s, 1701, 1421, 9275, a, 8895