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: gravity causes objects that have mass to be pulled down on a planet, Fact2: Rocks have mass., Question: What does gravity cause to be pulled down on a planet? (A) matter (B) heat (C) earth (D) solutes (E) oceans (F) Rocks (G) people (H) Lift
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: Some precipitation that falls on land may soak into the ground, becoming groundwater., Fact2: Hail, rain, sleet, and snow are referred to as precipitation ., Question: What might fall on land may soak into the ground, becoming groundwater? (A) river (B) floods (C) Rocks (D) Hail (E) rain (F) Soil (G) Trash (H) salt
Example Output:
D