Answer:
The most basic and useful technique in NLP is extracting the entities in the text. It highlights the fundamental concepts and references in the text. Named entity recognition (NER) identifies entities such as people, locations, organizations, dates, etc. from the text.
What is that I never heard of that before
its less is more A
to much could make it really bad
A sub folder is one layer under the folder - hence the prefix sub
I would go with answer choice A).