Instruct: Classify Amazon reviews into positive or negative sentiment
Query: LONG- - -SO VERY, VERY LONG!!!

After about 1/4 of the book I could not believe the slowness.I had stopped the last 2 or 3 books I started, , ,so, , ,I made myselfpush on. UUUGGGHHH!!! It was a struggle to finish. S-L-O-W!!!I had about 50 pages left, , , ,I had to stop twice. No barn-burner here.