Fundamental Tasks of NLP: Sentiment Analysis: Sentiment analysis is a natural language processing (NLP) technique used to determine the sentiment expressed in a piece of text. The goal of sentiment analysis is to automatically extract and quantify subjective information from text data such as opinions, attitudes, emotions and feelings. Let's say we have a dataset containing customer reviews of a product, and we want to analyze the sentiment expressed in each review. The sentiment could be positive, negative or neutral. For example, given the review " I absolutely love this product! It's amazing! ", the sentiment analysis model might classify it as positive . Similarly, for the review " This product is terrible. I would not recommend it to anyone. ", the model might classify it as negative . And for the review " The product arrived on time, but it was not what I expected. ", the model might classify it as neutral . Steps of Sentiment Analy...