instruction:
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
question:
['R', 'k', 'g', 4045, 'W', '4923', '9161', '4031', '7443', 'f', 'U', 2683, 'Y'], [943, 'v', '4923', '9161', '4031', '7443', 'f', 't', 'm', 9213]
answer:
4923, 9161, 4031, 7443, f


question:
['i', 2711, 6903, 1929, 2863, 'b', 5091, 'C', 'g', 'O', '3689', 'B', '6851', '605', '811', '8847', 'a', '3649', '5787', 'B', '6611', 'S', 'M', 5859, 'C', 7687, 'N', 1227, 5881, 8139, 'L', 'u', 1299], [4083, 2455, 'q', 'L', 3689, 'l', 'd', 9587, 'I', 'N', 'O', '3689', 'B', '6851', '605', '811', '8847', 'a', '3649', '5787', 'B', '6611', 'S', 'V', 7521, 'F', 3951, 'm', 'E']
answer:
O, 3689, B, 6851, 605, 811, 8847, a, 3649, 5787, B, 6611, S


question:
[1067, 10029, 2449, '9707', 'x', '2275', 'x', 'y', 'n', 'B', '7861', '9659', 't', '1547', 'c', '2187', 'b', '9627', '4327', 'a', 'h', 'w', 'W', 'R', 4345, 'R', 8947, 3153, 761, 'E', 'o', 'P', 4765, 2281, 'l', 'U', 'B', 'g', 7943, 7621], ['B', 6545, 'R', 'k', 2085, 8377, 'c', 6211, 7559, 2709, 733, 'Z', 7649, '9707', 'x', '2275', 'x', 'y', 'n', 'B', '7861', '9659', 't', '1547', 'c', '2187', 'b', '9627', '4327', 'a', 'h', 'w', 'W', 'B', 'M', 1969, 3369, 'q', 'q', 3261, 'h', 995]
answer:

9707, x, 2275, x, y, n, B, 7861, 9659, t, 1547, c, 2187, b, 9627, 4327, a, h, w, W