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: Bone is less flexible than cartilage but stronger., Fact2: Tissues include bone and cartilage, bone marrow and corneas., Question: Flexible or strong might be words used to describe these parts of the body: (A) hormones (B) protection (C) tissues (D) metal (E) gymnast (F) movement (G) SI units (H) ice skater
C