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: Some touch receptors sense differences in temperature or pain., Fact2: Touch receptors are a type of mechanoreceptor., Question: some mechanoreceptors sense what in temperature? (A) Energy (B) Energy. (C) hunger (D) pain (E) differences (F) kinetic energy (G) heat energy (H) similarities

A: E
****
Q: Fact1: a light bulb converts electrical energy into light energy when it is turned on, Fact2: Light bulbs are rated in Watts., Question: How is converted energy into light energy rated? (A) energy (B) unique (C) heat (D) good (E) watts (F) parsec (G) kilojoule (H) kinetic energy

A: E
****
Q: Fact1: a doorbell converts electrical energy into sound, Fact2: Alerting devices inform a person when the doorbell rings, alarm clock sounds, or telephone rings., Question: Alerting devices inform a person when they convert electrical energy into what (A) sound (B) batteries (C) air (D) heat (E) energy (F) action (G) photons (H) waves

A:
A
****