instruction:
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.
question:
Sentence: The electromagnetic spectrum represents the full range of frequency of electromagnetic waves. Question: The electromagnetic spectrum represents the full range of frequency of what type of wave?
answer:
electromagnetic

question:
Sentence: A healthy diet is important because it supplies the body's needs for growth and energy. Question: Why is a healthy diet important?
answer:
It supplies the body's needs for growth and energy.

question:
Sentence: Cardiac muscle kind of muscle cells undergo twitch-type contractions with long refractory periods followed by brief relaxation periods, allowing the heart to fill with blood for the next cycle. Question: What kind of muscle cells undergo twitch-type contractions with long refractory periods followed by brief relaxation periods, allowing the heart to fill with blood for the next cycle?
answer:
cardiac muscle