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: Earth 's tilt on its rotating axis causes seasons to change, Fact2: Weather changes from season to season., Question:  Earth 's tilt on its rotating axis causes changes in what (A) weather (B) sunlight (C) Joules (D) wind (E) heat (F) climate (G) energy (H) earth

Ex Output:
A


Ex Input:
Fact1: Evaporation of sweat uses energy, and the energy comes from body heat., Fact2: When sweat is evaporated into the air, it provides additional cooling., Question: Energy that comes from body heat can help with  (A) recovery (B) commuting (C) movement (D) cooling (E) strength (F) stay warm (G) health (H) motion

Ex Output:
D


Ex Input:
Fact1: Blood pressure is highest in arteries and lowest in veins., Fact2: Arterial Blood Pressure Arteries conduct blood away from the heart., Question: Where is blood conducting when blood pressure is highest? (A) critical organs (B) in the brain (C) towards the heart (D) in the toes (E) epidermis and dermis (F) away from the heart (G) preventing heat transfer (H) the body's largest organ

Ex Output:

F