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]: Reading this book felt like a puzzle set out before me. I had all the pieces early on but didnt know how they fit together. The author takes your hand and leads you down an amazing, glorious path, explaining the need for each piece. The end result? A master piece.
[A]: positive

[Q]: Just what i was looking for. At first i had my doubts about these headphones before buying them, but after receiving them, i'm really satisfied! The speaker quality is amazing, and so is the sound quality in the earbuds. It's comfortable, it sounds great on calls. It's great overall and really makes my life at work easier. No tangles or anything, i'm able to move and go throughout my day listening to music or chatting.
[A]: positive

[Q]: Mixed one bottle of this in when I changed my oil 2 weeks ago, 2 days later my truck started running rougher then before, after a few more days pass and it won't start when hot. Really sucks because all that was wrong before was a sticky injector when cold now I can't start my truck until it cools back down.
[A]:
negative