instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
[1699, 5363, 'U', 3351, 'K', 1771, 8981, 'y', 4317, 'P', 'H', 'f', 'j', '7169', '129', 'Z', 'K', 'r', 'o', 'v', '1713', 'g', 'A', 'h', 'e', '421', 'a', 'b'], [1477, 'o', 'h', 4413, 'Y', 'V', 4539, 't', 'S', 3527, 9183, 9541, '7169', '129', 'Z', 'K', 'r', 'o', 'v', '1713', 'g', 'A', 'h', 'e', '421', 'j', 'V', 8579, 3395, 'l', 'X', 'l', 'm', 4239]
answer:
7169, 129, Z, K, r, o, v, 1713, g, A, h, e, 421

question:
['O', 'B', 'S', 7965, 5083, 'N', 3995, 'b', 1679, 649, 1871, 1131, 'T', 'Z', 'n', 7701, 'd', 'W', 'I', 9153, 'Z', 7431, 'J', 'l', 'S', 9615, 'd', 7259, 'V', 'g', '9837', 'l', 'U', 'c', '2289', '8069', '5119', '7271', '7021', 'd', '9847', 'h', '1353', '4083', '33', 's', 'Y', '8189', '4339', '1253', 'm', '8091', 's', 'h', 'f', 'p', 'T', 'Z', 9765, 'q', 531, 'S', 'N', 'g', 1141, 67, 9363, 2469, 'E', 'y', 'F', 1307, 205, 2685, 7581, 'o', 6813, 5375, 'C'], ['L', 'w', 'u', 9473, 'l', 6703, 'N', 'p', 4755, 2949, 275, 6891, 'a', 'K', 'd', 8921, 1427, 'q', 'C', 'V', 'g', '9837', 'l', 'U', 'c', '2289', '8069', '5119', '7271', '7021', 'd', '9847', 'h', '1353', '4083', '33', 's', 'Y', '8189', '4339', '1253', 'm', '8091', 's', 'h', 'f', 'p', 'T', 'm', 'o', 'd', 8797, 8171, 8963, 8643, 8049, 'M', 'e', 4515, 'C', 'T', 'P', 6113, 8607, 7549, 'M', 8495, 7891, 'j', 4807, 'l', 8729, 't', 'i', 'F']
answer:
V, g, 9837, l, U, c, 2289, 8069, 5119, 7271, 7021, d, 9847, h, 1353, 4083, 33, s, Y, 8189, 4339, 1253, m, 8091, s, h, f, p, T

question:
[8717, 'f', 'K', 'v', 'U', 569, 1417, 1669, 'a', 625, 9525, 8155, 5357, 6269, 7783, 115, 6223, 7821, 6923, 10025, 'P', 6243, 'P', 'K', 'g', '8109', 'h', '2167', 'z', '4151', 'z', '6167', '4805', '5161', '1093', 'T', '8225', 'Y', 'h', '8701', 'V', '9059', 'P', 'l', '6619', 'e', 'b', 'K', '7949', 'X', 'Z', 'e', 'v', 'U', 'z', 271, 'e', 9839, 'Z', 4481], [1867, 1823, 6713, 3961, 'j', 'R', 5655, 1997, 1659, 5223, 'o', 2701, 'K', 8431, 729, 1473, 2555, 'N', 7205, 'H', 'L', 'L', 2235, 5171, 'o', 'Z', 'K', 'g', '8109', 'h', '2167', 'z', '4151', 'z', '6167', '4805', '5161', '1093', 'T', '8225', 'Y', 'h', '8701', 'V', '9059', 'P', 'l', '6619', 'e', 'b', 'K', '7949', 'X', 'Z', 'e', 'f', 6677, 491, 6681, 2521, 3733, 'x', 251, 2719, 'Y']
answer:
K, g, 8109, h, 2167, z, 4151, z, 6167, 4805, 5161, 1093, T, 8225, Y, h, 8701, V, 9059, P, l, 6619, e, b, K, 7949, X, Z, e