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: soil erosion means soil loss through wind, Fact2: Hurricanes are made of wind., Question: What is soil erosion? (A) enormous damage to homes (B) movements in the earth's crust (C) soil regrowth (D) massive damage (E) soil fertilization (F) soil loss through hurricanes (G) soil loss through human works (H) fissures of hot, acidic water

Ex Output:
F

Ex Input:
Fact1: tidal energy can be used to produce electricity, Fact2: Tidal energy schemes capture water at high tide and release it at low tide., Question: What can be produced by capturing water at high tide? (A) more fish (B) clearer water (C) mussels (D) warm water (E) an image (F) electricity (G) a delta (H) watershred

Ex Output:
F

Ex Input:
Fact1: Most plants grow roots down into the soil to absorb water and minerals., Fact2: Grasses are very basic plants with a root, stem and flower., Question: What has a root that absorbs water? (A) NaCl (B) apples (C) Grass (D) Spruce (E) Oak (F) Trees (G) koalas (H) voles

Ex Output:
C