question: Female mammals have what that are used to produce milk to nourish their young?
choices.text: Two pairs uterus two skin ovaries tissue glands muscles
choices.label: A B C D E F G H
formatted_question: Female mammals have what that are used to produce milk to nourish their young? (A) Two pairs (B) uterus (C) two (D) skin (E) ovaries (F) tissue (G) glands (H) muscles