question: What kind of sound is used by wolves to caution other wolves?
choices.text: whiplash howling a growling sound several a sniffing sound noise shaking sound
choices.label: A B C D E F G H
fact2: Warnings and cautions are there for a good reason.
combinedfact: Howling is used to caution other wolves by wolves.
formatted_question: What kind of sound is used by wolves to caution other wolves? (A) whiplash (B) howling (C) a growling sound (D) several (E) a sniffing sound (F) noise (G) shaking (H) sound