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").

Fact1: photosynthesis means producers convert from carbon dioxide, water, and solar energy into carbohydrates for themselves, Fact2: Plants are Earth's producers., Question: Plants convert carbon dioxide, water, and solar energy into what?" (A) Lipids (B) Carbohydrates (C) food and shelter (D) Protein (E) Whole Grains (F) Greenhouse gases (G) Organic compounds (H) chemical messengers
B