7) Service Tagger (Rd):Reviews are basically to describe product. So, a dictionary of words is created which would mark reviews as service based, delivery reviews, and customer support.Fuzzy matching of every word in a review is done with the words in the dictionary with Levenshtein distance less than 1. Levenshtein distance helps in measuring the difference between two sequences and tackle spell errors in review, for example, despite of “My delivery was on time”, Reviews is wrongly written as “My dilivery was on time”. In this case, Fuzzy matching would help us to match both the reviews.