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").

Example Input: Fact1: a mold spore has a negative impact on the respiratory system, Fact2: Insects also have both a heart and a respiratory, or breathing, system., Question: Mold spores have what impact on breathing? (A) neutral (B) ambiguous (C) symptoms (D) motility (E) positive (F) dangerous (G) negative (H) uncontrolled
Example Output: G

Example Input: Fact1: cold fronts cause thunderstorms as they pass by, Fact2: If cold air replaces warm air, it is called a cold front., Question: What does cold air replacing warm air cause? (A) Greenhouse gases (B) Pollution (C) Dehydration (D) thunderstorms (E) steady barometer readings (F) hypothyroidism (G) constant air pressure (H) stagnant air temperature
Example Output: D

Example Input: Fact1: Cancer cells divide more often than normal cells, and grow out of control., Fact2: Chemotherapy and radiotherapy target the rapidly dividing cancer cells., Question: What targets cells that grow out of control? (A) smoking cigarettes (B) Other cells (C) radiation (D) killing insects (E) The brain (F) massive damage (G) Bacteria (H) Chemotherapy
Example Output:
H