question: What could be a cause for all life to end?
choices.text: illness blocked tubes bone breaks viruses influenza Bioterrorism lung irritants early mortality
choices.label: A B C D E F G H
formatted_question: What could be a cause for all life to end? (A) illness (B) blocked tubes (C) bone breaks (D) viruses (E) influenza (F) Bioterrorism (G) lung irritants (H) early mortality