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: Exchange occurs directly with the external environment in unicellular organisms type of organisms. Question: Exchange occurs directly with the external environment in what type of organisms?
answer:
unicellular organisms


question:
Sentence: Venus is the only planet that rotates clockwise as viewed from its north pole. Question: What is the only planet that rotates clockwise as viewed from its north pole?
answer:
venus


question:
Sentence: Red light is the most effective color in interrupting the nighttime portion of the photoperiod. Question: What is the most effective color in interrupting the nighttime portion of the photoperiod?
answer:

red light