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.

[EX Q]: Sentence: The cardiovascular system in the human body consists of the heart, a network of blood vessels, and blood. Question: Which system in the human body consists of the heart, a network of blood vessels, and blood?
[EX A]: cardiovascular system

[EX Q]: Sentence: If an elephant and a boy are falling towards the ground, both same time will land first. Question: If an elephant and a boy are falling towards the ground, who will land first?
[EX A]: both same time

[EX Q]: Sentence: Unstable isotopes give off particles and energy as radioactivity. Question: Unstable isotopes give off particles and energy as what?
[EX A]:
radioactivity