Given a sentence, generate a new sentence by performing small changes on the sentence. Here, make sure that the changes are semantically related and syntactically similar to the input. And the generated sentence should have high commonsense plausibility, that is to have reasonable probability of it being true.
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Question: Some ducks swim in the water .

Answer: Some birds remain in the water .


Question: I am firing on a computer keyboard .

Answer: I am bang on a computer keyboard .


Question: If you want to play ball then you should go to the park.

Answer:
If you think to eye ball then you should go to the park .