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.

Ex Input:
unfortunately , the tour guides are not experts .

Ex Output:
the tour guides are experts .

Ex Input:
i was very disappointed with this place .

Ex Output:
i was n't disappointed with this place at all .

Ex Input:
i should have stuck with sun chinese dining .

Ex Output:
this was a very great place to dine in at .