The web link to the Research Paper with details: Md Aref BILLAH, Sheikh Arif AHMED, Shahidul Islam KHAN (2019), 'Factors that contribute programming skill and CGPA as a CS graduate: Mining Educational Data', Database Systems Journal [Online], vol. X, 33-42 is available in Moodle at the following URL address: http://www.dbjournal.ro/archive/30/30_4.pdf Read the paper thoroughly. Critically research, analyze and answer the following: In literature review (section 2) of the paper, Romero et al. have conducted a study on online discussion forums to understand student participation. Evaluate the use of classification versus clustering technique to predict performance linking them to their participation in online discussion forums.