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: lakes are formed by precipitation and runoff, Fact2: Runoff from precipitation is a natural part of the water cycle., Question: What are some of the steps that forms a lake? (A) decomposition and respiration (B) storing water (C) photosynthesis and solar energy (D) near the shoreline (E) precipitation and run-off (F) perspiration and excretion (G) The area was once underwater (H) At the peak of a mountain
[A]: E


[Q]: Fact1: Flowing water can slowly dissolve carbon in sedimentary rock., Fact2: Rivers and streams are bodies of fresh, flowing water., Question: What can slowly dissolve carbon in sedimentary rock? (A) hydrocarbons (B) acetic acid (C) precipitation (D) evaporation (E) rivers and streams (F) puddles (G) ponds (H) nitrogen
[A]: E


[Q]: Fact1: Most fungi get organic compounds from dead organisms., Fact2: Molds and yeast are fungi., Question: what gets organic compounds from dead organisms? (A) maples (B) density (C) humans (D) elms (E) plants (F) mold (G) cows (H) h2o
[A]:
F