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

[EX Q]: RpaZAvSnEBgGapIPQgw, wcwYsXvSnEBgGapIwoIWROB
[EX A]: vSnEBgGapI

[EX Q]: DFRoMPNDAzNgtLsEPseOzC, qykyPjDAzNgtLsEPYTsNrJaNK
[EX A]: DAzNgtLsEP

[EX Q]: HpJDFLokeq, YCJDFLXzs
[EX A]:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
JDFL

