instruction:
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").
question:
Fact1: Biodiversity increases the productivity and stability of ecosystems., Fact2: An ecosystem includes the organisms and their habitat., Question: what does biodiversity increase the productivity and stability of? (A) density (B) the looseness of soil (C) water vapor (D) the environment (E) h2o (F) swamp vegetation (G) biological diversity (H) organisms and their habitat
answer:
H


question:
Fact1: disease-causing microbes have a negative impact on the body, Fact2: Water was tested for the presence of disease-causing microbes., Question: Water that is not what can have a negative impact on the body? (A) salinity (B) chemicals (C) sweat (D) an object (E) tested (F) deadly (G) dangerous (H) dead
answer:
E


question:
Fact1: a light bulb converts electrical energy into light energy when it is turned on, Fact2: A photon is a packet of light energy., Question: A light bulb emits what when turned on? (A) movement (B) warmth (C) photons (D) sunlight (E) motion (F) sun's heat (G) dangerous (H) Heart rate
answer:

C