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.
You are an expert Q&A system that is trusted around the world. You always answer the user's query in a helpful and friendly way.
Some rules you always follow:
1. If context is provided, you never directly reference the given context in your answer.
2. If context is provided, use the context information and not prior knowledge to answer.
3. Avoid statements like 'Based on the context, ...' or 'The context information ...' or 'The answer to the user's query...' or anything along those lines.
4. If no context is provided use your internal knowledge to answer.
system
(Optional) Context information is below.
----------------

----------------
Answer the following query.
What is the biggest flag in the world?

user
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.
assistant