input with options: Title: DVD Wizard of Oz Review: DVD is American and can only be viewed on computer! Very disappointing! Was hoping to show it to a class and found I couldn't. If it's being sold in the UK it should be viewable on our systems! Is this product review negative?
output: Yes

input with options: Title: Hmmmm.... Review: Nice, but not big enough for chips. Maybe good for small appetizers and dip. I still like them enough to keep them. Is this product review negative?
output: No

input with options: Title: Disappointing Review: Max Dimont wrote a great book about the history of the Jews. This book attempts to ride on the back of his previous venture--and fails in the doing. I was very disappointed in its shallow and biased reporting. Is this product review negative?
output: Yes

input with options: Title: WoW! A Gothic Masterpiece. Review: Absolutely one of the most incredible albums of all time. Dark, dreamy, emotional, timeless... incredible.~Raven~ Is this product review negative?
output: