instruction:
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").
question:
Fact1: Echinoderms lack a centralized nervous system., Fact2: Sand dollars and sea biscuits are also echinoderms., Question: What lacks a centralized nervous system? (A) Damaged hearing (B) Humans (C) Horses (D) Sand dollars (E) insects (F) Chickens (G) Pesticides (H) barnacles
answer:
D

question:
Fact1: satellites are used to take images from space, Fact2: Satellite images are digital photographs., Question: Satellites are used to take what from space? (A) rapid changes occur (B) snow, ice, and rock (C) trees and flowers (D) painters (E) occurs over a wide range (F) digital photographs (G) digital files (H) photographers
answer:
F

question:
Fact1: zinc has a positive impact on the healing of wounds, Fact2: Red meats are good sources of zinc., Question: What has a positive impact on the healing of wounds? (A) red meats (B) Proteins (C) ferns (D) honeybees (E) Enzymes (F) dolphins (G) bushes (H) exercise
answer:
A