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.

Cars are usually seen in parking lots.
Cars are roughly seen in width bytes .

An island is for being surrounded by water.
An island is for being surrounded by world .

You are likely to find a shark around in the ocean.

You are likely to find a dig around in the ocean .