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.

[EX Q]: it worked great for a few months and then it suddenly stopped charging. it repeatedly bumps against the dock but never begins charging. the battery is now dead and it doesnt work anymore.
[EX A]: negative

[EX Q]: First there was fake news, now fake reviews. This is not. Protector fit fine. No issues there. But now I find myself having to squeeze the screen. And close to the edges -- forget it. And with no screen calibration for Pixel 3, I'm SOL. Do yourself a favor: Find another screen protector.
[EX A]: negative

[EX Q]: Put this on a 2009 Ford Fusion SE V6 and it matched the original perfectly and worked. What can I say, it's a PCV valve; either it works or it doesn't.
[EX A]:
positive