Given the task definition and input, reply with output. Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.

the quality of the lcd display is terrible, low visibility and with a "rainbow" effect on the surface. backlighting of the LCD display is woefully inadequatethe operating manual is barely sufficient.the scanner itself hang up on the first time i used and i could not power it down any more i returned it the first day i got it
Negative