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: if soil is permeable then water easily flows through that soil, Fact2: If a soil has high permeability, water flows through the soil more freely and may cause chemicals to leach., Question: What may cause chemicals to leach in soil? (A) soil is permeable (B) Pesticides (C) soil is hard (D) soil is dense (E) soil is eroded (F) Organic compounds (G) fossil fuels (H) harmful substances

Ex Output:
A


Ex Input:
Fact1: when the seasons change from the summer to the fall , the amount of daylight will decrease, Fact2: Then the days become colder and the number of daylight hours decreases., Question: what do days become in fall? (A) rainy (B) ligt (C) cold (D) stormier (E) colder (F) hotter (G) longer (H) air cools

Ex Output:
E


Ex Input:
Fact1: Roundworms make up the phylum Nematoda., Fact2: Roundworm Roundworms have complete digestive tracks., Question: What kind of digestive tracks do nematoda have? (A) complete (B) homogenous (C) grow (D) allow growth (E) ligt (F) food (G) organ (H) heat or cold

Ex Output:

A