TASK DEFINITION: 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.
PROBLEM: Sentence: The main function of the spleen is to filter the blood and remove unwanted red blood cells. Question: The main function of this organ is to filter the blood and remove unwanted red blood cells?

SOLUTION: spleen

PROBLEM: Sentence: Nucleic acids is defined by its sequence of nucleotides. Question: What is defined by its sequence of nucleotides?

SOLUTION: nucleic acids

PROBLEM: Sentence: Some viruses carry a few viral enzyme molecules within their capsids. Question: Some viruses carry a few viral enzyme molecules within their what?

SOLUTION:
capsids