With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Since the 1960s, Colombia has suffered from typhoid fever.
text_B: Chaminda Dayan Rajapakse , MBCS , MIEEE , MCS -LRB- SL -RRB- -LRB- 8 October 1972 - -RRB- is a Sri Lankan physician , educator and businessman .. MBCS. British Computer Society. MIEEE. IEEE. physician. physician. educator. educator. businessman. businessman. He is the Managing Director of ESOFT Computer Studies Pvt Ltd -LRB- ESOFT -RRB- , which is a private sector educational institute in Sri Lanka .. Sri Lanka. Sri Lanka. ESOFT Computer Studies. ESOFT Computer Studies. Managing Director. Managing Director. Educated at Maliyadeva College , Kurunegala ; he graduated from the University of Colombo with a MBBS in 1999 .. University of Colombo. University of Colombo. Maliyadeva College. Maliyadeva College. Kurunegala. Kurunegala. MBBS. MBBS. In the year 2000 , he established ESOFT Computer Studies Pvt ltd. , where he conducts lectures for several undergraduate programmes including the University of Colombo School of Computing BIT external Degree , and the BCS Higher Education Qualifications .. University of Colombo. University of Colombo. ESOFT Computer Studies. ESOFT Computer Studies. University of Colombo School of Computing. University of Colombo School of Computing. BIT. Bachelor of Information Technology. BCS. BCS, The Chartered Institute for IT. In 2009 , he was elected to the post of Student Counselor of the Computer Society of Sri Lanka for which post he was re-elected for the year 2010 .. Sri Lanka. Sri Lanka. Computer Society of Sri Lanka. Computer Society of Sri Lanka. At the AGM held on 10 December 2010 , Dr. Dayan was elected as a Council Member for the year 2011 .. Dr. Dayan 's delivers lectures on a wide area of topics including Advanced Databases , Project Management , Software Engineering , and Object Oriented Analysis  /  Design  /  Programming .. Project Management. Project Management. Software Engineering. Software Engineering. Object Oriented Analysis. Object Oriented Analysis. Another area of interest for him is the advancement of knowledge and learning among the young generation in Sri Lanka as he believes that this is the best way to develop Sri Lanka as a country .. Sri Lanka. Sri Lanka
not_related.