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").

Ex Input:
Fact1: if an object is made of a material then that object has the properties of that material, Fact2: Headings include Materials Research, Materials, Ceramic Materials, Composite Materials., Question: if an object is what of a Ceramic then that object has the properties of Ceramic (A) edible (B) combined (C) heat (D) part (E) Joules (F) attached (G) made (H) unique

Ex Output:
G

Ex Input:
Fact1: skin is used for protecting the body from harmful substances, Fact2: Skin is the body's largest organ., Question: What can protect the body from harmful substances? (A) the body's largest organ (B) layers of fat (C) Electric devices (D) bones (E) sunburns (F) hard outer covering (G) deoxyribonucleic acid (H) muscle

Ex Output:
A

Ex Input:
Fact1: Cells have multiple repair mechanisms to fix mutations in DNA., Fact2: And if the damaged DNA is duplicated, it causes mutation., Question: Cells have multiple repair mechanisms to fix what? (A) a tree falling (B) direct damage to the lungs (C) that material's properties (D) damaged DNA duplication (E) an area swollen with pus (F) Veins and arteries. (G) the body's largest organ (H) The bending of a ray of light

Ex Output:
D