On a scale of 1-5 (with 1 being least favorable and 5 being most favorable), how would you rate this review? "I was in love with this app. That is until I had over 400 books saved in it and one day POOF all of them were gone. I hadn't reset the app or anything they just disappeared. Here i am thinking ill have a resource to refer to to save from dupes and whatnot but no it was just a waste of my time."
A:
1