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: volcanic ash in the atmosphere decreases the temperature by blocking the sun, Fact2: Supersaturation is inferred to be a common state for atmospheric haze particles., Question: What decreases the temperature by blocking the Sun? (A) cilia (B) the Sun (C) the wind (D) haze (E) ice (F) fat (G) rain (H) acids
D

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

Fact1: Earth 's tilt on its rotating axis causes seasons to change, Fact2: During that time the seasons change from fall to winter to spring to summer., Question: Earth 's tilt on its rotating axis causes fall to change to what? (A) winter (B) break off (C) Inches (D) cold (E) autumn (F) spring (G) fall permanently (H) nothing
A