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.

You are likely to find a heater in a barn .
You are likely to find a poem in a menu .

If you want to drive your car then you should respect your keys .
If you want to drive your car then you should reload your keys .

You are likely to find a sky in a planet.

You are likely to find a haven in a planet .