Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.

[Q]: What can or no make that where can a tribute to the fall of Katyn be found?
[A]: Where can a tribute to the fall of Katyn be found?


[Q]: Which hypothesis no conjecture holds that every even integer n greater than 2 can be expressed as a sum of two primes?
[A]: Which conjecture holds that every even integer n greater than 2 can be expressed as a sum of two primes?


[Q]: How and when did the first variant of y. pestis enter Norway sorry more generally Europe?
[A]:
How and when did the first variant of y. pestis enter Europe?