WYS:
You: Excuse me, can I go to the bathroom?
Teacher: Is the sky blue?
You: So..uh...yes?
***
WYM:
You: Excuse me, can I go to the bathroom?
Teacher: Is the sky blue?
You: Is there anything wrong with saying yes? It's one syllable! Gosh, woman! Stop wasting oxygen for my children!
Seriously!