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: a light bulb converts electrical energy into light energy when it is turned on, Fact2: Light bulbs are rated in Watts., Question: How is converted energy into light energy rated? (A) energy (B) unique (C) heat (D) good (E) watts (F) parsec (G) kilojoule (H) kinetic energy
answer:
E

question:
Fact1: pathogens can cause disease, Fact2: Mad Cow disease is a concern., Question: What can cause Mad Cow? (A) Pollution (B) bacteria (C) cows (D) horses (E) illness (F) pathogens (G) influenza (H) chickenpox
answer:
F

question:
Fact1: mechanical weathering is when rocks are broken down by mechanical means, Fact2: Erosion begins with the weathering, or breaking down, of rocks and soil., Question: What is it called when rocks are broken down mechanically? (A) mines (B) dangerous (C) coral reef (D) cracking (E) tube (F) loose soil (G) calcite (H) erosion
answer:
H