Given the task definition and input, reply with output. 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.

i had an issue with item and it was never resolved and contacted seller by there customer service and they said they would resolve but never did and then blocked me so i couldn't send them any other messages, very glad i ordered through amazon prime so it can be resolved this way
negative