22.
Which NLP technique involves analyzing the structure and content of a document to extract useful information?

23.
What is the primary goal of Information Retrieval in NLP?

24.
Which NLP task involves classifying text documents into predefined categories or labels, such as spam or not spam?

25.
What is the primary purpose of Named Entity Recognition (NER) in NLP?

26.
Which NLP technique involves analyzing and extracting structured information from unstructured text, often in the form of tables or databases?

27.
What is the primary goal of Text Mining in NLP?

30.
Which NLP technique involves analyzing the sentiment or emotional tone expressed in a text document, such as positive, negative, or neutral?