Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Great for filling those small gap spaces in your library.

As a reference to research the communist block nations' weapon of choice, I advice to look at other publications. This needs more picts instead of leaving it to readers to use their imagination on what a particular model of AK must look like if author simply says "...similar in appearance to..." However, the history of how it was developed was well covered.