In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").

Q: Fact1: Animals can communicate with sounds, chemicals, or visual cues., Fact2: Unlike animal communication, properly human communication is abstract and linguistic in nature., Question: Which of the following do humans not use to communicate? (A) chemicals. (B) limb amputation (C) emissions (D) sweating (E) smoking pipes (F) dry conditions (G) visible energy (H) heat or cold

A: A
****
Q: Fact1: Ancestors of hagfish are thought to have been the earliest vertebrates., Fact2: Property of ancestors and forefathers can only be legally inherited by sons., Question: Forefathers of what kind of fish are thought to be the earliest vertebrates? (A) hagfish (B) Pelycosaur (C) fish (D) angiosperm (E) adult (F) Therapsids (G) marine (H) aquatic

A: A
****
Q: Fact1: Food consists of organic molecules that store energy in their chemical bonds., Fact2: Plants Plants are able to directly absorb energy from the sunlight, and store it in chemical bonds., Question: what consists of organic molecules that store energy from the sunlight (A) edible (B) Food (C) plants (D) trees (E) apples (F) CO 2 (G) Carbon (H) fruits

A:
B
****