instruction:
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").
question:
Fact1: wind and rain cause erosion, Fact2: Water, in the form of rain, is the most effective agent of erosion., Question: What causes erosion the most? (A) streams (B) motion (C) LEDs (D) water (E) Roads (F) rivers (G) Winter (H) wind
answer:
D


question:
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
answer:
A


question:
Fact1: satellite technology is used for predicting the weather, Fact2: Meteorologists try to predict the weather., Question: What do Meteorologists use to do their jobs? (A) A backbone (B) natural atmosphere component (C) advice from psychics (D) nutritious fluid (E) a surface not sterilized (F) Satellite technology (G) a form of oxygen (H) by analyzing celestial activity
answer:

F