Detailed Instructions: 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: photosynthesis means producers convert from carbon dioxide, water, and solar energy into carbohydrates for themselves, Fact2: Producers are organisms, such as green plants, that convert light energy into food., Question: green plants convert water, solar energy, and carbon dioxide into what (A) stone (B) carbohydrates (C) soil (D) Greenhouse gases (E) Greenhouse gasses (F) worms (G) cellulose (H) food and shelter
A:
B