instruction:
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").
question:
Fact1: Male dogs use pheromones in urine to mark their territory., Fact2: Pheromones are natural aphrodisiacs., Question: What do male dogs use in urine to mark their territory? (A) Natural aphrodisiacs (B) competing for resources (C) Tails (D) Urine cleaner (E) Something coming from a gland (F) Chemical energy (G) an area swollen with pus (H) Chew toys
answer:
A

question:
Fact1: Viruses cause many human diseases., Fact2: Some smallpox viruses are maintained in laboratories., Question: What can smallpox cause? (A) contamination (B) harmful substances (C) vaccines (D) photosynthesis (E) extinction (F) cellular respiration (G) Destroy crops (H) human disease
answer:
H

question:
Fact1: Birds evolved from a group of bipedal dinosaurs called theropods., Fact2: Dromaeosaurs are part of the theropod group of dinosaurs., Question: What did the dinosaur group dromaeosaurs evolve into? (A) mammals (B) animals (C) fat (D) fossils (E) embryos (F) genus (G) food (H) Birds
answer:
H