context: Two men on stilts and a woman twirling a ribbon, lead a festive parade along the streets, while a woman looks on from her window.
hypothesis: It is probably the case that three people are on a parade float.
valid_hypothesis: It is probably the case that three people are on a parade float.
invalid_hypothesis: It is improbable that three people are on a parade float.
hypothesis_assertion: Three people are on a parade float.