Premise: Tanzania . Tanzania is a presidential constitutional republic , and since 1996 , its official capital city has been Dodoma , where the President 's Office , the National Assembly , and some government ministries are located . Dar es Salaam , the former capital , retains most government offices and is the country 's largest city , principal port , and leading commercial centre .
Hypothesis: Tanzania's largest city is Dodoma.
Label: CONTRADICTION