question: what howls?
choices.text: cats vertebrates h2o Therapsids sound vibrations One can hear insects canis lupus
choices.label: A B C D E F G H
fact2: Canis lupus is the same species that includes grey wolves.
combinedfact: canis lupus howl
formatted_question: what howls? (A) cats (B) vertebrates (C) h2o (D) Therapsids (E) sound vibrations (F) One can hear (G) insects (H) canis lupus