In this task, you are given two strings A, B. Find the longest common substring in the strings A and B.
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Question: BTvLVMYp, mjOvLVMqYo

Answer: vLVM


Question: XjYkMfARxWBSBjuXyDrFt, EtUxIfiHkMfARxWBSckTLTTnR

Answer: kMfARxWBS


Question: wJFKlO, JRFKev

Answer:
FK