Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.

Context : ISIRI 13139 is a standard published by the Institute of Standards and Industrial Research of Iran (ISIRI) in 2011 based on Directive 2009/61/EC. 
Answer : Institute of Standards and Industrial Research of Iran
Who set the standards for ISIRI 13139?

Context : NGC 5750 is a barred spiral galaxy with an active galactic nucleus in the constellation Virgo. 
Answer : Virgo
What constellation does NGC 5750 belong to?

Context : Slash'EM (Super Lotsa Added Stuff Hack - Extended Magic) is a variant of the roguelike game NetHack that offers extra features, monsters, and items. 
Answer : NetHack

The Slash'EM is based upon what?