Answer is 4 (One)
There should be so many apostrophes or quotation marks in a row .
Answer:
Analysis is the right suitable word to complete the sentence
Explanation:
It is because, Analysis is a concept, which means to judge any subjects and brings some original concept which is needed to take from the subjects.
Here in the above question the paragraph states about the summarize points taken from a large amount of data and analysis also mean the same and analysis is also the activity used in NLP for the same as above discussed.
They could be blind or just not have time for it.
hope this helps you