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: astronauts require preserved food for extended flights, Fact2: Most of the Shuttle foods are preserved by dehydration, which saves weight and storage space., Question: astronauts require what food for extended flights? (A) Echinoderm. (B) layers of fat (C) dehydrated (D) fresh (E) hand picked (F) nutrients (G) frozen (H) hydration
C

Fact1: chemical splashing can cause harm to humans, Fact2: Man is human, subject to error., Question: What can chemical splashing can cause harm to? (A) Water (B) pugs (C) cats (D) Acid (E) life (F) Chemical solution (G) Man (H) pigs
G

Fact1: mountains are formed by earthquakes, Fact2: Many mountains are formed through uplifting., Question: What can cause uplifting to occur (A) sound vibrations (B) oil drilling (C) it increases (D) Earthquakes (E) deposits (F) erosion (G) mud slides (H) hurricanes

D