Instruct: Given a premise, retrieve a hypothesis that is entailed by the premise.
Query: The Beretta 93R is a selective-fire machine pistol, designed and manufactured by Italian firearms manufacturer Beretta in the 1970s for police and military use, that is derived from their semi-automatic Beretta 92. The "R" stands for "Raffica", which is Italian for "volley", "flurry", or "burst" (sometimes spoken "R" as ""Rapid"" in English).
The Beretta 93R was used by police.
The stray bullet was fired by a rusty rifle.
A semi-automatic pistol fires one cartridge each time the trigger of the pistol is pulled.
The popular rounds are 9x9mm
there is a gun involved.
the MiG-31 uses the R-33
There was at least one shooter. 
Since this occurance, more guns have come about.
A semi-automatic pistol is in fact, semi-automatic.
Contact the manufacturer of your rifle nine times
A semi-automatic pistol is available in different sizes.
The stray bullet was fired by a firearm that had been smuggled across the border.
Adjusting the scope of a rifle must be done multiple times.
 The JS 9 mm is made by the Bianshe Industries (Group)
The Alfa Romeo Spider is also known as the Type 939
A semi-automatic pistol is becoming more popular lately because of its use in movies 
The man owned more than one rifle.
The Maschinengewehr shot bullets.
The stray bullet was fired by an illegal firearm.
The stray bullet was fired by a handgun.
The manufacturer will require your serial number to determine the correct action for your rifle. 
A handgun was used
The The Beretta 93R cannot fired as a fully automatic.
Italian manufacturer Beretta only made one model, the Beretta 93R based off of the Beretta 92
The Beretta 93R is the preferred weapon of the Italian police