Because she didn't have any arms. Knock knock. (Who's there?)...not Sarah.
A-flat minor.
Because someone threw a fridge at him.
Because she hasn't got arms!
Mine would have to be Why did sally fall out of the tree? Because she had no arms. Knock knock. Who's there? Not sally.
I didn't know you could yodel!
Because it wasn't big enough to be a Buck.
Because I've me herbivore.