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 island is a piece of land surrounded by water on all exits .
A dome is a piece of arch surrounded by water on all streams .

The basis of comforting a ghost is it suggests them know you care .
The effect of comforting a friend is it lets them know you care.

You would go to get a haircut because you want to improve your image.

You would pretend to describe a toy because you want to improve your image .