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

[Q]: What happens when the what cause the immune system to treat foreign organisms like normal tissues?
[A]: What causes the immune system to treat foreign organisms like normal tissues?


[Q]: In which century by what term is a type of advocacy of empire known no do most consider the beginning of imperialism?
[A]:  In which century do most consider the beginning of imperialism?


[Q]: In which direction does the east side of Fresno neighborhood lie to the 99 freeway no no the west side rather?
[A]:
In which direction does the west side of Fresno neighborhood lie to the 99 freeway?