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: Cells are the microscopic building blocks of organisms., Fact2: Just like bricks are the building blocks of a home, atoms are the building blocks of matter ., Question: Cells are the microscopic building bricks of what? (A) floaties (B) Plants growth (C) vegetation (D) cells (E) ferns (F) organisms (G) matter (H) fillials
A:
F