Complex sentence: Not to be outdone, Daisy whistles shrilly, and the "Fantasia" Hipposcharge out of a huge golden gift box and become Daisy's backup skaters.
Split into simpler sentences: Not to be outdone, Daisy whistles shrilly, and the "Fantasia" Hippos. The Hippos charge out of a huge golden gift box and become Daisy's backup skaters.