A person in a large pink triangle-shaped costume waves as a man and a woman dressed in matching brightly-colored striped and polka-dotted outfits smile back.
The person is moving her hand.
Premise: A person in a large pink triangle-shaped costume waves as a man and a woman dressed in matching brightly-colored striped and polka-dotted outfits smile back. <sep> Hypothesis: The person is moving her hand.