Possible Clues:

• "Yeah, whatever!"
• 'Uh-huh, sure'
• 'Yeah, yeah'
• ''That's not gonna happen''
• 'Mmm-hmm. If you say so'
• Scoffing comment
• 'Yeah, sure, buddy'
• 'Yeah, that'll happen'
• Words said with an eye roll
• "Yeah, as if!"