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: Cells that divide uncontrollably may form a tumor, or abnormal mass of cells., Fact2: Surgery to remove the tumor is an option., Question: what might cells that divide uncontrollably need? (A) removal surgery (B) aqueous solution (C) turn to a doctor (D) an organism's body (E) kinetic energy (F) survival (G) Chemical energy (H) bioaerosols

Ex Output:
A


Ex Input:
Fact1: Cells are the basic units of the structure and function of living things., Fact2: Tigers are the largest of the living cats., Question: Cells are the basic units of the structure and function of what? (A) water (B) mammals (C) ice (D) tigers (E) animals (F) humans (G) plants (H) the Sun

Ex Output:
D


Ex Input:
Fact1: Flowers attract animal pollinators., Fact2: Bees are effective pollinators., Question: What attracts bees? (A) cacti (B) the color green (C) stems (D) flowers (E) orchids (F) roots (G) pollen (H) bushes

Ex Output:

D