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: Urine is the liquid waste product of the body that is excreted by the urinary system., Fact2: Mammals excrete urea in the watery form of urine ., Question: What is a waste product of the body that is excreted by the urinary system? (A) potash (B) food (C) CO 2 (D) sugar (E) urea (F) liquid (G) H 2 O (H) sulfur

Ex Output:
E


Ex Input:
Fact1: Chloroplasts contain the green pigment chlorophyll., Fact2: Animals lack chloroplasts., Question: what do animals lack? (A) Bodily water (B) hair (C) skin cells (D) fur and fat (E) chlorophyll (F) lungs (G) Chemical energy (H) sensory neurons

Ex Output:

E