Conducting a survey

"Excuse me, could you answer a few questions for a survey?"

"A survey? What's the cost?"

"It's free!"

"Free? What's the catch?"

"No catch, I assure you. Just a simple questionnaire."

"I know what that means. You're trying to scam me!"

"Scam you? No, this is for legitimate research."

"That's what they all say. I'm onto your schemes!"

"There are no schemes. It's a straightforward survey."

"Sure it is. I can smell a con from a mile away!"

"But... there's no con! Never mind. Sorry to bother you."

"Giving up so easily? Proves you were up to something shady. Nice try, scammer!"