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: fossils are formed when layers of sediment cover the remains of organisms over time, Fact2: Plants and animals are organisms., Question: What forms when plants are covered in layers of sediment over time? (A) Conifers (B) watershred (C) fossils (D) H2O (E) Echinoids (F) bubbles (G) loose soil (H) bones
[EX A]: C

[EX Q]: Fact1: wiring requires an electrical conductor, Fact2: Wires connected to a source of electricity., Question: An electrical conductor is required for the operation of: (A) water current (B) electricity (C) satellites (D) energy (E) to move people (F) gas lamps (G) trains (H) lightning
[EX A]: B

[EX Q]: Fact1: exercise has a positive impact on a human 's health, Fact2: Every workout is as much an intellectual exercise as a physical exercise., Question: What has a positive impact on a human 's health? (A) tuna (B) viruses (C) workouts (D) food (E) stamina (F) worthlessness (G) oysters (H) overwork
[EX A]:
C