In this task, You are given a review of Amazon's food products. Your task is to divide them into two classes: negative or positive, depending on the content of the review.

[Q]: The toaster oven worked fine, but the different 'functions' were pretty much the same thing. The heating element stopped working after a year. Keep shopping.
[A]: negative


[Q]: 4.5 stars The vented bottles helped so much with my baby’s gas problems. Took half star off cuz they are diff prices depending on color, wished they were same prices
[A]: positive


[Q]: I love the Contigo Shake & Go Fit mixer bottle. They hold up very well, and mix shakes *extremely* efficiently. No more gritty leftover powder and no weird texture. Big opening for easy washing.
[A]:
positive