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: a flashlight converts chemical energy into light energy, Fact2: A joule is roughly the energy used by a flashlight turned on for one second., Question: What is converted in a flashlight? (A) hydrogen and oxygen (B) adding heat (C) an electron lens (D) hydrogen to water (E) chemicals to light (F) batteries into solar (G) heat into light (H) chlorofluorocarbons
[EX A]: E

[EX Q]: Fact1: a plant requires sunlight for photosynthesis, Fact2: Photosynthesis is the process of making food., Question: What do plants require to make food? (A) nutrients (B) sunlight (C) photons (D) Energy. (E) Light (F) Proteins (G) power (H) heat energy
[EX A]: B

[EX Q]: Fact1: darkness has a negative impact on photosynthesis, Fact2: Carbohydrates in plants are formed by photosynthesis., Question: What is produced less depending on the amount of darkness a plant receives? (A) Electrical energy (B) water vapor (C) Echinoids (D) organic molecules (E) activation energy (F) carbohydrates (G) Solar energy (H) prolactin release
[EX A]:
F