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: Hagfish are noted for secreting large amounts of thick, slimy mucus., Fact2: Hagfish and lampreys have no internal hard tissues at all., Question: Creatures that have no internal hard tissues at all are noted for what-ing large amounts of thick,? (A) space between (B) protection (C) secreting (D) coarse grit (E) dandelions (F) sponges (G) tiny hairs (H) Therapsids
answer:
C


question:
Fact1: Biodiversity increases the productivity and stability of ecosystems., Fact2: An ecosystem includes the organisms and their habitat., Question: what does biodiversity increase the productivity and stability of? (A) density (B) the looseness of soil (C) water vapor (D) the environment (E) h2o (F) swamp vegetation (G) biological diversity (H) organisms and their habitat
answer:
H


question:
Fact1: Neurons are the structural and functional units of the nervous system., Fact2: Glial cells perform critical functions in the nervous system., Question: Neurons are the structural and functional units of where what is critical? (A) organs (B) Glial cells (C) nerves (D) Structural units (E) voltage (F) Storage units (G) Critical care (H) A computer
answer:

B