Another robot? But it sounded more like...wheezing?

[They were so close. All they needed at this point was to find a damn exit. but this place...WHO THE HELL PUTS UP THESE MANY BLANK EXITS!? Doesn't that violate building codes or something?

She sighs, and slips into a darker area of the room. Whatever was here, it was close, and she didn't want to die just yet.]

Only one thing could make a sound like that. The real question right now is "where is it"?