What is the biggest flag in the world?
According to Guinness World Records the largest flag ever made was of a Romanian national flag that measured 349 x 227 metres (1,145 x 744.5ft) – about three times the size of a football field. It weighed 5-tonnes and consisted of 44 miles of thread and was unfurled 22 miles South-East of Bucharest.
Instruction: What is the biggest flag in the world?
Context: 
Response: According to Guinness World Records the largest flag ever made was of a Romanian national flag that measured 349 x 227 metres (1,145 x 744.5ft) – about three times the size of a football field. It weighed 5-tonnes and consisted of 44 miles of thread and was unfurled 22 miles South-East of Bucharest.