You consider it, remembering summer camp, the counselor you hoped to impress, the scar you still have...
"Truth," you decide. The truth can't hurt you. It sets you free and all that good stuff.
"It is decided," the ghost-witch agrees. "Whatever you speak tonight must be the truth. For if you voice a lie, it will be made manifest and you will have to live with the consequence. Forever."
Familiar with the rules for Truth or Dare, you nod.
"Have you ever," she croaked, "known true love?"