Comical Processing: You Write The Cartoon Caption

Here we are again -- Soliciting captions for Jerry King's newest cartoon.
Jerry King
A Jerry King cartoon portrays engineers looking at a pipe with oodles of valves. The workers don't know what to do.

Submissions

"Beats me. How am I supposed to know which valve looks like an amaryllis?" By Jennifer Gould

"Choosing the right color is like arguing with a traffic light: everyone has something to say, but in the end you're still stuck on red, thinking." By Javier Granda

"They told me that we could play Row, row, row your boat, if we press them in the correct order." By Pam Starrett

“They taught me in chemical engineering class that the toughest color to turn is the right one.” By Marv Sager