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").

Input: Consider Input: Fact1: decomposition increases amount of organic matter in soil, Fact2: Fungi are involved in decomposition, as well., Question: What can help increase the amount of organic matter in soil?  (A) Fungi (B) mussels (C) pine (D) worms (E) animals (F) Enzymes (G) solutes (H) trees

Output: A


Input: Consider Input: Fact1: Climate is generally described in terms of temperature and moisture., Fact2: Humidity is a measure of moisture content of air., Question: Climate is generally described in terms of temperature and what? (A) humidity (B) wind (C) warmer air (D) calibrated (E) percentages (F) matter (G) skin color (H) SI units

Output: A


Input: Consider Input: Fact1: a rubber band snapping causes the particles in the rubber band to vibrate, Fact2: Sound travels through matter by vibration., Question: What type of wave results from snapping a rubber band? (A) sound (B) snap in half (C) electromagnetic (D) energy (E) Energy. (F) ultraviolet (G) heat (H) kinetic


Output: A