Given an English language product review, determine if it is a Good Review or a Bad Review. A good review is one where the product's review has positive tone and Bad review is one where the tone of product's review is negative.

This seems to work but it takes several days after you put a flea pill on the pet before seeing an improvement. My dog has fleas everyday so we just switch collars when our current one runs out of pills. Good product. Cheaper than buying at vet office.
Good Review