"If you try to overcharge me then I will not pay",
"I will go to the police if you don't give me my money back",
"I will go to the police if you don't co-operate",
"Back off!",
"I know what you are trying to do",
"The price is way too high!",
"That's very insulting",
"Where is the police station?",
"I've been robbed",
"Someone is trying to scam me".
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