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: Flagella help prokaryotes move., Fact2: Bacteria are prokaryote cells., Question: Bacteria gets help moving from what?  (A) environment (B) lysosomes (C) food (D) cytoplasm (E) rhizome (F) light energy (G) flagella (H) the skin

Ex Output:
G


Ex Input:
Fact1: All life relies on a relatively narrow range of pH, or acidity., Fact2: Human life is dependent life., Question: what relies on a relatively narrow range of acidity? (A) gravity (B) mammals (C) animals (D) trees (E) humans (F) density (G) volume (H) potatoes

Ex Output:
E


Ex Input:
Fact1: Reproduction is the process by which living things give rise to offspring., Fact2: Sex equals reproduction., Question: What is the process by which living things give rise to offspring? (A) DNA (B) photosynthesis (C) bird (D) sex (E) subtraction (F) gametes (G) eggs (H) ovum

Ex Output:

D