At the last moment, you realize the best course of action here is to lie.

Encounter
Free Action      Personal

Trigger: You fail a Bluff, Diplomacy, or Intimidate check.

Effect: You reroll the check. If the triggering check was a Diplomacy or Intimidate check, use your Bluff modifier instead.

Published in Into the Unknown: The Dungeon Survival Handbook, page(s) 39.