You are given a negative review and your task is to convert it to a positive review by one or more making minimal changes. Avoid changing the context of the review.

Example Input: too bad it was at the expense of the other customers .
Example Output: too bad it was n't at the expense of the other customers .

Example Input: just terrible is all i can say .
Example Output: this was great , is all i can say .

Example Input: the sales people here are terrible .
Example Output:
the sales people are great .

