question: What took advantage that the dinosaurs died out?
choices.text: mammals Porcupines plants macaws birds backbones amphibians moles
choices.label: A B C D E F G H
formatted_question: What took advantage that the dinosaurs died out? (A) mammals (B) Porcupines (C) plants (D) macaws (E) birds (F) backbones (G) amphibians (H) moles