Which NLP technique involves the automatic extraction of knowledge or facts from unstructured text and their conversion into structured data?

What is the primary goal of Natural Language Processing (NLP)?

A. To generate random text

B. To understand, interpret, and generate human language

C. To analyze only written text

D. To automate data visualization

Which NLP task involves determining the grammatical structure of a sentence, including its parts of speech (e.g., noun, verb, adjective)?

A. Named Entity Recognition

B. Sentiment Analysis

C. Part-of-Speech Tagging

D. Machine Translation

Which of the following is a common preprocessing step in NLP for converting text to a uniform format by removing punctuation, capitalization, and stopwords?

A. Stemming

B. Tokenization

C. Lemmatization

D. Normalization

In the context of NLP, what does the acronym "POS" stand for?

A. Part-of-Speech

B. Positive Output

C. Plain Old Search

D. Preprocessed Object Store