Question

What is the purpose of sentiment analysis in natural language processing?

a) To identify the author of a text

b) To determine the tone or emotion expressed in a text

c) To translate a text from one language to another

d) To summarize the main points of a text

Answer 1

Solution:b) To determine the tone or emotion expressed in a text.

Reason:Sentiment analysis is a NLP task that involves analyzing a text to determine the overall tone or emotion expressed, such as positive, negative, or neutral.