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: You are likely to raise a mouse in do hole .

SOLUTION: You are likely to find a mouse in mouse town .

PROBLEM: You are easy to find a bush in a forest .

SOLUTION: You are likely to find a mouse in a forest.

PROBLEM: Hash blocks can also be used to wrap a wall .

SOLUTION:
Reference blocks can also be used to build a Grid .