Premise: Lisbon . Unlike most capital cities , Lisbon 's status as the capital of Portugal has never been granted or confirmed officially -- by statute or in written form . Lisbon District ( [ liʒˈβoɐ ] , Distrito de Lisboa ) is a district located in the South Central Portugal , the district capital is the city of Lisbon , also the national capital .
Hypothesis: Lisbon is the capital of Portugal.
Label: ENTAILMENT