You will be given a definition of a task first, then some input of the task.
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 brought an XXL (I am a size 16) because I thought this dress ran small. It actually runs as expected because I had to return the XXL and re-order the XL. The dress fits beautifully and I love it.
Output:
positive