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: carpooling decreases the amount of cars used to travel to a place, Fact2: Carpooling cuts down on congestion and pollution., Question: What decreases when we decrease the amount of cars traveling to one place? (A) Temperature (B) Heart rate (C) Climate change (D) Pollution (E) Clean air (F) forces (G) Burning fossil fuels (H) gene flow

Ex Output:
D


Ex Input:
Fact1: All animals are heterotrophs., Fact2: Heterotrophic bacteria derive energy from the breakdown of organic molecules., Question: What derive energy from the breakdown of organic molecules? (A) Most plants (B) hydrocarbons (C) potatoes (D) all stones (E) all water sources (F) all mountains (G) all animals (H) Generating heat

Ex Output:
G


Ex Input:
Fact1: Invertebrates are animals that lack a vertebral column, or backbone., Fact2: Insects are the most common invertebrates., Question: What don't insects have? (A) Sensory organs (B) Chlorophyll (C) exoskeleton (D) Energy. (E) Energy (F) nerves (G) backbones (H) antennae

Ex Output:

G