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: People in industrialised countries are overdosing on sugars, fats and salt.

SOLUTION: People in industrialised countries are overdosing on sugars , fats and stress .

PROBLEM: If you want to read a book then you should turn on the light.

SOLUTION: If you want to read a book then you should slow on the light .

PROBLEM: You are careful to find a smartphone in a white gang member 's body .

SOLUTION:
You are likely to find a bullet in a disturbed gang member 's body .