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: darkness has a negative impact on photosynthesis, Fact2: Light is necessary for photosynthesis, a process that produces oxygen., Question: Darkness has a negative impact on which process of a plant? (A) slow and inefficient (B) chemical changes (C) circulatory systems (D) most organisms (E) fossil fuels (F) Abnormal cell growth (G) deoxyribonucleic acid (H) Oxygen production

Ex Output:
H


Ex Input:
Fact1: Some viruses can cause cancer., Fact2: Cancer is an example of a mutation in cells., Question: What can mutate cells? (A) Allergies (B) water (C) fruits (D) flow of electrons (E) vegetables (F) harmful substances (G) rays or beams (H) some viruses

Ex Output:
H


Ex Input:
Fact1: All cells share some of the same structures and basic functions., Fact2: Cells are the basic building blocks of life., Question: What do the basic bulding blocks of life share? (A) food and shelter (B) Same color (C) Same structures (D) an organism's body (E) Same shape (F) layers of fat (G) Veins and arteries. (H) Same temperature

Ex Output:

C