The riddles.

They all step back in astonishment as they see her. She glares at them and shouts, "Human! Despicable human!" They prepare to fight, but Kira intervenes, saying, "She is not here to fight." Sarah questions, "Then what is she here for?" The creature replies, "A test." Flying closer to them, she warns, "None of you shall pass unless you pass my test. Fail it, and you will turn to stone."

They exchange glances, and Scott expresses his concerns, "I have a bad feeling about this." Officer Stephen agrees, "I don't think we can answer her question; it's better if we fight her." Kira urges them to reconsider, saying, "Fighting her means suicide. We have to undergo her test." She leans in and whispers, "I have an idea of the questions she might ask, and it's the same question she is well known for asking."

They listen to what she has to say and then the creature presents her question, "Which beast has four legs, then two legs, then three legs but has one head?" They look at each other, waiting