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: If you want to read a typo , go to a bookstore .

SOLUTION: If you want to read a book, go to a bookstore.

PROBLEM: You are puzzled to find a lamp in the camp .

SOLUTION: You are likely to find a chair in the kitchen.

PROBLEM: You are ashamed to force a cigarette in my hand .

SOLUTION:
You are hard to change a cigarette in my hand .