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: 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
Example Output: F

Example Input: Fact1: Blood pressure is highest in arteries and lowest in veins., Fact2: Blood Pressure Blood Pressure Blood pressure is the force of the blood on the artery walls., Question:  is highest in arteries and lowest in veins. (A) matter (B) voltage (C) Length (D) solutes (E) glucose (F) measure (G) Force (H) Joules
Example Output: G

Example Input: Fact1: the looseness of soil has a positive impact on a plant 's roots' growth in that soil, Fact2: Roots are basic to growth, development and expansion., Question: What soil helps a plant grow?  (A) support (B) soft soil (C) clay soil (D) no soil (E) nutrients (F) alluvial (G) sandy soil (H) loose soil
Example Output:
H