The technique used to analyse wordings in an email and classifies them as positive or negative is Sentiment analysis.
Sentiment analysis, also called opinion mining is a method of natural language processing and text analysis that systematically processes the wordings in a text in order determine the opinion behind the piece of writing and classifies it positive, negative, or neutral.
Here,the bot will read the given emails, understand the opinion being conveyed in the text and classifies it as positive, negative or neutral, and then accordingly routes the emails to customer service representatives for follow-up.
General purpose of Sentiment Analysis includes
Tools that help with Sentiment Analysis among others includes:
Read more on Sentiment Analysis here: https://brainly.com/question/758192