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").

Ex Input:
Fact1: Viruses contain DNA but not much else., Fact2: All viruses consist of RNA or DNA and a protein coat., Question: what do viruses contain? (A) Mass (B) DNA (C) SNPs (D) RNA (E) acid (F) gene (G) ovum (H) host

Ex Output:
D


Ex Input:
Fact1: fossils are formed when layers of sediment cover the remains of organisms over time, Fact2: Plants and animals are organisms., Question: What forms when plants are covered in layers of sediment over time? (A) Conifers (B) watershred (C) fossils (D) H2O (E) Echinoids (F) bubbles (G) loose soil (H) bones

Ex Output:
C


Ex Input:
Fact1: microorganisms cause food to spoil, Fact2: Among the threats to food and water safety are microorganisms such as bacteria., Question: What causes food to spoil? (A) influenza (B) Dehydration (C) Pesticides (D) disease (E) viruses (F) Bacteria (G) toxins (H) sea squirts

Ex Output:

F