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").

[EX Q]: Fact1: tidal energy can be used to produce electricity, Fact2: Tidal caves are formed by the energy of the rising and falling tides., Question: what can produce electricity? (A) rivers (B) animal transport (C) tidal caves (D) Nematoda (E) rays or beams (F) animals (G) cactuses (H) photons
[EX A]: C

[EX Q]: Fact1: friction causes an object to lose energy, Fact2: Objects An object can be one of several things., Question: What does friction cause things to lose? (A) heat (B) moisture (C) toughness (D) Energy. (E) traits (F) light (G) energy (H) cartilage
[EX A]: G

[EX Q]: Fact1: a flashlight requires a source of electricity to produce light, Fact2: Electricity flows when a battery is connected to an object like a watch, toy, or flashlight., Question: How do flashlights produce light? (A) energy (B) direct energy (C) By being plugged into the wall (D) Using magnets (E) Batteries (F) energy usage (G) adding heat (H) Solar power
[EX A]:
E