Q: 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: bacteria in soil convert atmospheric nitrogen into a form usable by plants, Fact2: Bamboos are among the most useful of all plants., Question: Bacteria in soil convert atmospheric nitrogen into a form usable by what? (A) Conifers (B) food (C) rocks (D) humans (E) ice (F) bacteria (G) sharks (H) bamboo
A:
H