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").

[Q]: Fact1: a battery converts chemical energy into electrical energy, Fact2: Check the fire alarm's batteries the first of each month., Question: What converts chemical energy into electrical energy? (A) Something in a fire alarm (B) sperm and egg fuse (C) Males and females (D) igniting fuel and oxidiser (E) The bending of a ray of light (F) basic building blocks of life (G) sensory neurons (H) mechanical waves
[A]: A


[Q]: Fact1: when a metal rusts , that metal becomes orange on the surface, Fact2: Iron rusts in the presence of oxygen and water., Question: Exposure to oxygen and water can cause iron to  (A) decrease strength (B) melt (C) uncontrollable burning (D) thermal expansion (E) turn orange on the surface (F) vibrate (G) Extremes of temperature (H) levitate
[A]: E


[Q]: Fact1: if the amount of available food and water decreases in an environment then animals may leave that environment to find food and water, Fact2: Famines occur when there is a general shortage of food., Question: Animals may leave an environment during which event? (A) Birth (B) Winter (C) Tropical (D) Rainstorm (E) flooding (F) Hibernation (G) Famine (H) storms
[A]:
G