Just wait, they'll tell you.
Do Re Mi Fa So La Ti No (This is a joke I wrote a loooonnngg time ago, tell me what you think.)
A school teacher tells you to spit out your gum, a train says choo choo.
None. They wait for the electrician to make a mistake and yell at them for doing it wrong.
You can't hear a protein. (Wait for it)
Don't worry, they'll tell you.
You'd fly too if somebody panned your peter.
I dunno. Ask the kids.