♦ Sentiments are feelings, opinions, emotions, likes/dislikes, good/bad

♦ Sentimental Analysis is a Natural Language Processing and Information Extraction task that aims to obtain writer’s feelings expressed in positive or negative comments, questions and requests, by analysing a large numbers of documents.

♦ Sentimental Analysis is a study of human behaviour in which we extract user opinion and emotion from plain text using ML and NLP.