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").

Fact1: Insects may live in large colonies and have complex social behaviors., Fact2: Ants are social insects living in colonies., Question: What type of behavior does an ant have? (A) Randomized (B) Social (C) Solitary (D) dangerous (E) complex (F) Problematic (G) movement (H) kinetic
B

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
H

Fact1: Most amphibians breathe with gills as larvae and with lungs as adults., Fact2: All frogs are amphibians., Question: What can breathe with gills as larvae and with lungs as adults? (A) humans (B) viruses (C) a fish (D) animals (E) bats (F) frogs (G) bacteria (H) air

F