Related Clues:

• Reset a wrong question
• Advertisement for doctor
• Tricky question presenting no difficulty in test paper, ultimately
• "Coming up next" ad
• "Coming up next" ad, e.g
• Teaser ad, for short
• Ad for an upcoming broadcast
• "Next week on ..." ad
• Promotional piece
• Bit of publicity
• Movie trailer, e.g
• TV preview
• A problem? He's only kidding
• Brief promo
• Tricky question to provoke resistance