Teacher:In this task, you're given a review from Amazon. Your task is to generate a rating for the product on a scale of 1-5 based on the review. The rating means 1: extremely poor, 2: poor, 3: neutral, 4: good, 5: extremely good.
Teacher: Now, understand the problem? Solve this instance: Hopefully my experience is rare because these were my favorite headphones until they died. Good sound quality. Great battery life (+1 star good). But battery quit taking a charge after 3 weeks.
Student:
2