Read the following passage and solve the questions based on it.
The after sales service manager of White Goods Appliances Ltd is making an assignment roster for the three technician teams in the city of Indraprastha. Each team will be assigned one of the sectors of the city: sector Pratham, sector Dwitiya and sector Tritiya. Each team will consist of two out of the following technicians: Nagabhushanam, Phaneesh, Ramaswamy, Swaminathan, Tirthankar and Visheshwar. Each technician will be assigned to exactly one team. Ramaswamy, Tirthankar and Visheshwar have each completed a special electro-mechanical appliances maintenance training programme; whereas Naghbhushanam, Phaneesh and Ramaswamy each has at least five years of work experience; Swaminathan, Tirthankar and Visheshwar do not. The service manager must observe the following restrictions while making the assignment roster:
(i) Each team must include at least one technician who has completed the special training.
(ii) Each team must include at least one technician who has at least five years of work experience.
(iii) Nagabhushanam must be assigned to sector Pratham or sector Dwitiya.
The service manager cannot make an acceptable roster that assigns: