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: wind and rain cause erosion, Fact2: Water, in the form of rain, is the most effective agent of erosion., Question: What causes erosion the most? (A) streams (B) motion (C) LEDs (D) water (E) Roads (F) rivers (G) Winter (H) wind
answer:
D


question:
Fact1: a flashlight requires a source of electricity to produce light, Fact2: Flashlights can help children see better., Question: Children see better with a source of electricity to do what? (A) focusing a lens (B) staying warm (C) survival (D) reproduce (E) produce light (F) remove electricity (G) produce darkness (H) remove light
answer:
E


question:
Fact1: a graduated cylinder is used to measure volume of a liquid, Fact2: Liquid volume is measured using a unit called a liter., Question: What unit do graduated cylinders use? (A) engines (B) meters (C) power (D) liters (E) inches (F) two (G) cellulose (H) pounds
answer:

D