Provide your best answer for the following question. Give ONLY the answer, no other words or explanation.
For example:

Answer: <most likely answer, as short as possible; not a complete sentence, just the answer!>.

The question is: The faucet on the wall sprayed water high into the air.  It caught the light from the window and made a rainbow.  It was very annoying and gross to people who came into this what?
restroom
bathroom.