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: Air weakly scatters visible light. Question: What weakly scatters visible light?
answer:
air

question:
Sentence: Prokaryotes are single-celled or colonial organisms that do not have membranebound nuclei. Question: What are single-celled or colonial organisms that do not have membranebound nuclei?
answer:
prokaryotes

question:
Sentence: Viral infection of multicellular eukaryotes is usually limited to particular tissues. Question: Which infection of multicellular eukaryotes is usually limited to particular tissues?
answer:
viral