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: a stem is used to store water by some plants, Fact2: Inside the stem is fibrous material., Question: Where do some plants store water? (A) near the shoreline (B) fibrous material (C) rocks (D) soil (E) dormant state (F) mountain sources (G) one celled organisms (H) air
A:
B