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: building housing developments usually requires replacing animal habitats, Fact2: Habitat destruction is the primary cause of extinction or threat of extinction for all animals., Question: Building housing developments may cause  (A) eruptions (B) colder weather (C) disease (D) erosion (E) extinction (F) mutations (G) Destroy bridges (H) deforestation
answer:
E


question:
Fact1: Most amphibians breathe with gills as larvae and with lungs as adults., Fact2: All frogs are amphibians., Question: What do frogs breathe with when they are adults? (A) skin (B) fins (C) lungs (D) oxygen (E) gills (F) air (G) Energy (H) Gases
answer:
C


question:
Fact1: riding a bike does not cause pollution, Fact2: Carbon monoxide is, of course, an air pollutant., Question: What is not released after riding a bike? (A) carbon monoxide (B) harmful substances (C) fossil fuels (D) heat energy (E) one celled organisms (F) hard outer covering (G) layers of fat (H) Pituitary gland
answer:

A