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").

[EX Q]: Fact1: a mold spore has a negative impact on the respiratory system, Fact2: Insects also have both a heart and a respiratory, or breathing, system., Question: Mold spores have what impact on breathing? (A) neutral (B) ambiguous (C) symptoms (D) motility (E) positive (F) dangerous (G) negative (H) uncontrolled
[EX A]: G

[EX Q]: Fact1: Skin color is another polygenic trait., Fact2: Tourette syndrome a polygenic disorder ., Question: what is tourette syndrome? (A) malaria (B) cancer (C) trait (D) fever (E) cell (F) antigen (G) virus (H) Type O
[EX A]: C

[EX Q]: Fact1: Ants communicate with chemicals called pheromones., Fact2: Ants communicate with the colony in the form of what is called pheremon trails., Question: what do ants use to communicate? (A) trails (B) sound (C) nerves (D) waves (E) Decibels (F) motors (G) chemicals (H) Energy
[EX A]:
A