In this task, you are given a sentence and a question, you would be asked to create the answer which is contained in the sentence provided.

Sentence: Age causes reduction of elasticity in all organs. Question: What causes reduction of elasticity in all organs?
age

Sentence: At high altitudes there is lower atmospheric pressure than on the surface of the earth of the following best explains why the pressure inside a high-flying airplane must be controlled. Question: Which of the following best explains why the pressure inside a high-flying airplane must be controlled?
At high altitudes there is lower atmospheric pressure than on the surface of the Earth.

Sentence: The eight sides of an octahedra are in the shape of a triangles. Question: What shape are the eight sides of an octahedra?

triangles