Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Rip off

All textbooks over $50 are a rip off, WRITE A LETTER TO YOUR STATE SENATOR TELLING THEM YOU WON'T STAND FOR THESE OUTRAGEOUS PRICES ON TEXTBOOKS FOR SCHOOL. MOST STUDENTS CAN'T AFFORD TO PAY THESE RIDICULOUS PRICES!!! WE CAN BEAT THE ENDLESS NEW EDITION CYCLES THAT PUBLISHERS RIP US OFF WITH IF WE MAKE IT KNOWN!! WE CAN'T AND WON'T STAND FOR THIS!