Possible Clues:

• Design feature lacking a free counter
• Prove that statement or accusation is wrong
• Belie
• Contradict, prove that statement is wrong
• Don't accept one who whistles two notes
• Negate
• The way to disprove that this is true for the most part
• Are you involved with the fete to prove it false?
• Show to be false
• Reply exposing fallacy, using tenets extant ab initio