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: Balance is the ability to sense and maintain body position., Fact2: People fall when they lose their sense of balance., Question: the ability to sense and maintain body position prevents people what (A) falling (B) death (C) illness (D) starving (E) blindness (F) disease (G) depression (H) sweating
[A]: A


[Q]: Fact1: if heat is conducted to an object then that object will become hot, Fact2: Metals vary in their capacity to conduct heat., Question: What can happen if a metal is heated? (A) change chemical composition (B) refract energy (C) they bend (D) It expands (E) electricity (F) Relieve pain (G) maintains core temperature (H) becomes hot
[A]: H


[Q]: Fact1: a meter stick is used to measure distance, Fact2: How transaction measurements are calculated., Question: What often calculates how far it is between one point to another? (A) inches (B) measuring cup (C) chronograph (D) Cladistics (E) meter stick (F) Therapsids (G) Plate tectonics (H) chronometer
[A]:
E