Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Bought a can yesterday from a local store. The expiration was 2013, but it really smelled bad! What am I supposed to do now? Open every single can and do a smell test before buying?
Student:
Negative