Premise: Lisbon ( [ ˈlɪzbən ] Lisboa , [ liʒˈβoɐ ] ) is the capital and the largest city of Portugal , with a population of 552,700 within its administrative limits in an area of 100.05 km ² . In 1147 , the Crusaders under Afonso Henriques reconquered the city and since then it has been a major political , economic and cultural centre of Portugal . 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 .
Hypothesis: Lisbon is a city in Portugal.
Label: ENTAILMENT