Figure it out

An antelope and a lion entered a diner and took a booth near the window. When the waiter approached, the antelope said, "I'll have a bowl of hay and a side order of radishes."

"And what would your friend have?"

"Nothing," replied the antelope.

The waiter persisted, "Isn't he hungry?"

"Hey, if he were hungry," said the antelope, "would I be sitting here?"