Who Stole the Cookie?

Leader: Who stole the cookie from the cookie jar?
Group: "Amanda stole the cookie from the cookie jar."
Amanda: "Who me?"
Group: "Yes, you."
Amanda (point to self, shake head): "Couldn't be."
Group: Then who?
Amanda: "Thomas stole the cookie from the cookie jar."
Thomas: "Who me? Couldn't be."

(And so forth)