instruction:
Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.
question:
I bought this air mattress to use while my new bed was being shipped from back east, the bed lost air every night and I woke up almost on the floor. I tried to send it back but it was impossible to get back into the box.
answer:
Negative


question:
Only has limited access to OBDII data stream unless you pay more money to upgrade the software.
answer:
Negative


question:
I bought this book two months ago... It's outdated.It might include the information you are looking for, but at a very basic level. I went with the "Undestanding Exposure" by Bryan Peterson, and with "The Digital Photography". Both have outstanding reviews... and these will do the trick teaching you what you need to know to take great/almost pro photos...
answer:

Negative