Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Lacked Credibilty. A real disappointment .

Seems to really have stretched to weave together a series of plots, none of which held anyreal credibility. So far out that Science Fiction should be the category under which it's listed. Please save your money. It's really not worth it. It would appear that the readers who've submitted ratings didn't realize that the "default" is 5 stars, not one star.