In an earlier post on the constraints of hotel bathrooms, I lamented the scarcity of dual-input water sources in the US.
In the (well furnished) basement in which we now reside I present to you a wholly different animal. Look and lament ye unlucky.
So, now feeling more than fully resourced, I offer a contender for your "groaner of the day" - it never sprays but it pours?
The third spigot does have a reasonable use, but I invite you to suggest some more exotic potential applications.