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

Ex Input:
How many bits are thought to be a hard problem oops are often in the primes used for RSA public key cryptography algorithms?

Ex Output:
How many bits are often in the primes used for RSA public key cryptography algorithms?


Ex Input:
What is associated with abnormal forces or rather what does not cause strain in structures?

Ex Output:
What does not cause strain in structures?


Ex Input:
How long no which is older the British Empire or the Ethiopian Empire?

Ex Output:
Which is older the British Empire or the Ethiopian Empire?