Because she didn't have any arms. Knock knock. (Who's there?)...not Sarah.
You have an ax-i-dent (accident).
Because Bill threw a mattress at him.
Because she has no arms. Knock Knock. Who's there Not Sandra.
Q: Why did Sarah fall of the swing? A: Because she has no arms. Q:Who's there? A:Not Sarah.
I didn't know you could yodel!
Never mind. It's pointless.
Because it wasn't big enough to be a Buck.