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.

A card can be used to obtain cash.
A card can be done to track cash .

You are determined to rub a hat in a chalk box .
You are OK to sniff a hat in a broom box .

A T helps you find your self in the external .

A flashlight helps you wake your way in the dark .