Lucy, tossing herself on the ground with a harrumph, "THIS PLACE IS LIKE JAIL." This, after every other negotiation tactic and extortion technique on her part had failed. She had to face the cruel reality: finish your math project or Milo and Mom are going to the park without you.
The scratch of her colored pencil after she relented was positively murderous, but the kid finished. And we went to the park.