Luna Lovegood, Intrepid Reporter

"Who's the half-blood prince?"

"I don't know."

"Please Hermione."

"I don't know."

"I'm collecting information for my father. It's for the Quibbler! It's an exclusive!"

"I don't know."
"Do you have any leads so far?"

"No."

"Have you been snooping around for any?"

"No, of course not!"

"You don't have to sound offended. That's what you and Harry and Ronald do, isn't it?"

"No!"

"Oh."

"Well, yes I suppose we do sometimes, but we haven't recently. Not about this."

"Hermione?"

"What?"

"What's your favorite dessert?"

"Angel food cake."

"What color is grass?"

"Green."

"Who's the half-blood prince?"

"I don't KNOW!"