Instruct: Classify Amazon reviews into positive or negative sentiment
Query: STAMP: Return to Writer

Vonnegut's 19th, and allegedly last, novel is a mish-mash only diehard Vonnegut fans are likely to appreciate. There are all kinds of semi-autobiographical musings here, mixed in with the remnants of a failed novel. I lost interest a quarter of the way through and tossed it aside.