“…SAisdefinedastheprocessthatautomatestheextractionofemotions,views,opinionsand attitudesfromdatabasesources,voice,tweets,andlanguageviaNLP.Itisanautomaticmethodfor classifyingtheviewsintextbasedonthecategoriessuchas"positive","negative"and"neutral. "This isoftenreferredtoastheanalysisofopinionmining,evaluation,extractionandsubjectivity (Mohana et al,2016;Terán&Mancera,2019;Öztürk&Ayvaz,2018).Thewordsopinion,sentiment,opinion andbeliefhavebeenusedinterchangeably;however,therearedifferencesamongthem. (Saifet al, 2016;Ghiassiet al,2013).SAinformsthecustomeriftheinformationabouttheproductisacceptable ornotuntiltheybuyit.Companiesandmarketersutilizetheresearchdataforidentifyingtheirgoods orservicesinsuchawaythattheycanbedeliveredaspertherequirementsofthecustomer.Using machinelearningtechniquesandoptimizationtechniques (Sreedharanet al,2018;VasamsettiSrinivas et al,2020)theperformanceofSAinTwitterdatawillhelpthecompaniestounderstandhowthe peoplestalkregardingtheirbrand (Symeonidiset al,2018;Pandeyet al,2017;Danielet al,2017).…”