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: All chemical reactions require activation energy to get started., Fact2: Fire is a chemical reaction., Question: What does fire require to get started? (A) an engine (B) activation energy (C) water (D) energy usage (E) direct energy (F) dogs (G) activated almonds (H) adding heat
B

Fact1: a plant requires sunlight to grow, Fact2: Sunlight is turned into energy by plants., Question: Sunlight is made of  (A) Prism (B) lightning (C) colors (D) glass (E) chlorophyll (F) dirt (G) energy (H) photons
G

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