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: Mollusks live in most terrestrial, freshwater, and marine habitats., Fact2: Though most trout are freshwater fish, some live in marine waters., Question: What do some mollusks live near? (A) gills (B) rivers (C) desert (D) roads (E) fungi (F) trout (G) clouds (H) water

Ex Output:
F


Ex Input:
Fact1: a plants require water for survival, Fact2: Life-long learning is no longer a luxury for the few, but a survival skill for all., Question: Plants require what for life-long learning? (A) Light (B) protein (C) Energy. (D) gametes (E) genes (F) water (G) energy (H) oxygen

Ex Output:
F


Ex Input:
Fact1: Kidney failure may be treated with dialysis., Fact2: Kidney, or renal, failure is an inability of the kidneys to do their job., Question: What is dialysis used to treat? (A) coliform (B) prokaryotic cells (C) Dialysis (D) Blood loss (E) diphtheria (F) saves lives (G) Renal failure (H) Renal removal

Ex Output:

G