sentences:  Pooh and Piglet rehearse the conversation they'll have when the Heffalump comes, but Pooh falls asleep and when Piglet hears a voice, he panics and says the wrong thing.He is mortified when the voice turns out to be that of Christopher Robin.Although this is not explicitly stated, it is generally thought that heffalumps are elephants from a child's viewpoint (the word "heffalump" being a child's attempt at pronouncing "elephant").