Premise: Dar es Salaam ( from دار السلام , literally `` the abode of peace '' ; or simply Dar , formerly Mzizima ) is the largest city of Tanzania and one of the largest cities in eastern Africa by population , as well as a regionally important economic centre . Tanzania . 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 smallest city is Dar es Salaam.
Label: CONTRADICTION