 
 <translate> For this chain-of-thought reasoning and answer, what was the question?
A fan is used to cool a room, so won't be turned on if the room is already cold.
 A: Sentence B <hau> Don wannan tunani mai zurfi da amsa, menene tambaya? Ana amfani da fan don sanyaya ɗaki, don haka ba za a kunna shi ba idan ɗakin ya riga ya yi sanyi.  A: Jumlar B 