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: mechanical weathering is when rocks are broken down by mechanical means, Fact2: Water is a mechanical weathering force., Question: What weathers rocks? (A) soil (B) streams (C) a delta (D) calcite (E) erosion (F) water (G) grass (H) the sun
answer:
F

question:
Fact1: mountains are formed by earthquakes, Fact2: For mountains one goes to the Alps., Question: What was formed by earthquakes? (A) deposits (B) coarse grit (C) backbones (D) road bends (E) The Alps (F) pitches (G) waves (H) Otoacoustic
answer:
E

question:
Fact1: a speedometer is used for giving a driver feedback on the speed of their vehicle, Fact2: Odometers and speedometers measure distance and speed., Question: What does a speedometer measure? (A) Differences in speed (B) feedback mechanisms (C) Decimal fractions (D) transportation (E) How fast a vehicle is going (F) Driver's skill (G) Distance (H) How much gas a vehicle used
answer:
E