A mouth. The room was, very clearly, a mouth.
You feel awkward disturbing it, even if it doesn't seem to mind. Maybe you should give it something, as a sort of apology?
-> calculator-calculator cable
-> blue flower
-> pink flower
-> nah. you do give a verbal apology, though. dropping random stuff into the mouth door seems equally likely to upset them as it does act as a good apology. <-