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").

[Q]: 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
[A]: E


[Q]: Fact1: extreme heat and pressure change rock into metamorphic rock, Fact2: Slate is a metamorphic rock., Question: What rock is formed by extreme heat and pressure (A) erosion (B) crust (C) calcite (D) Slate (E) dead (F) forces (G) fibrous (H) complex
[A]: D


[Q]: Fact1: pasteurization reduces the amount of bacteria in milk, Fact2: Milk products are made into ice cream, cheese cake, and puddings., Question: Pasteurization reduces the amount of bacteria in what? (A) single cell microorganisms (B) Something fish sticks are made from (C) single celled organisms (D) Something pudding is made from (E) Something steak is made from (F) microscopic organisms (G) Something wine is made from (H) in the small bowel
[A]:
D