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: Biodiversity increases the productivity and stability of ecosystems., Fact2: Ecotourism, on the other hand, can help to conserve biodiversity., Question: What increases the stability of ecosystems? (A) overpopulation (B) water consumption (C) loose soil (D) Quality of life (E) agriculture (F) deforestation (G) ecotourism (H) trees

Ex Output:
G

Ex Input:
Fact1: when a hemisphere is tilted away from the sun , that hemisphere receives less direct sunlight, Fact2: Sunlight is delivered in small packets of energy called photons., Question: What does a hemisphere receive less of if it is tilted away from the sun? (A) Light (B) rain (C) warmth (D) Epidermis (E) body water (F) photons (G) cold air (H) sugar

Ex Output:
F

Ex Input:
Fact1: a switch is used to start the flow of current in an electrical circuit, Fact2: If the switch is open, electricity flows, and the light is on., Question: What happens when the light switch is open? (A) The current can't flow (B) adding heat (C) It's dark (D) The light is off (E) The current can flow (F) massive damage (G) daylight changes (H) Earth revolving around the sun

Ex Output:
E