How can a robot differentiate between positive or negative product reviews?
A. by applying entity recognition techniques to the review text
B. by applying sentiment analysis to the review text
C. by running a binary classification algorithm on the review text
D. by running a clustering algorithm on the review text
Answer is (B) by applying sentiment analysis to the review text
Robot is a machine especially designed to perform multiple operations automatically. It is designed in such a way that it can analyse things based on emotion,words,search done by the user. It was already programmed to cook,dance,walk and calculate automatically. It can understand the emotions expressed by the humans and explains the situation.
Hence, the robot can differentiate between positive or negative product reviews by applying the sentiment analysis to the review text. The sentiment text includes good, bad, OK, moderate, excellent etc these were sentimental expressions based on humans.