Given the task definition, example input & output, solve the new input case.
Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.
Example: I've read this book with much expectation, it was very boring all through out the book
Output: Negative
Review writer does not like the book because it was boring, therefore it is a negative review.

New input case for you: As the author of [...] I recommend Your Child's Self-Esteem with all my heart.Until my book was out I told my clients, readers and workshop participants to read Briggs book. Although I treat tantrums differently, I find most of what Briggs said over 30 years agostill in line with my own guidance. She was way ahead of her timeand for the most part the book will give you everything you needto know about your child's self-esteem and more.
Output:
Positive