TASK DEFINITION: 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.
PROBLEM: The effect of rushing to production is pleasure .

SOLUTION: The effect of according to choice is pleasure .

PROBLEM: You go to the river sometimes , when you want to recreational fishing .

SOLUTION: You go to the river sometimes, when you want to go fishing.

PROBLEM: You are strange to find bread in the grocery kitchen .

SOLUTION:
You are likely to find bread in the grocery store.