Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.

Input: Consider Input: This book in the beginning was so slow that I finished a book twice it's length before I finished the first chapter of Tess of the D'Urdubervilles.

Output: Negative

Input: Consider Input: The lady is kinda annoying. But the videos made me feel prepared and made me feel comfortable with my decision to not go to any formal classes, these were more than enough.

Output: Positive

Input: Consider Input: Ignore all the haters. It's still giant robots from space fighting each other. Enough said. On par with the first movie and better than the second one.
Output: Positive