5PM Millions and Millions Puzzled

Guy: I'll have a Number Three, and can I have a small chocolate shake?
Bimbette employee: No.
Guy: No, I can't have a shake?
Bimbette employee: Nope.
Guy: Are you saying no to the 'small,' the 'chocolate,' or the 'shake...'?
Bimbette employee: Both.
Guy: So, both of the three, huh?
Bimbette employee: Yes, but you can have vanilla.
Guy: I would love vanilla, thank you.

McDonald's, 53rd Street and 2nd Avenue
New York, New York

Overheard by: brian