QUES: Q: Which World Cup did Brasilia host?
A: The city was one of the main host cities of the 2014 FIFA World Cup.
Does the answer answer the question?

ANS: yes

QUES: Q: What percentage of families in the city were living below the poverty line?
A: About 19.1% of families and 23.6% of the population were below the poverty line, including 29.1% of those under age 18 and 18.9% of those age 65 or over.
Does the answer answer the question?

ANS: yes

QUES: Q: What is Beyonce's percentage of ownership in the new venture?
A: The 50-50 venture is called Parkwood Topshop Athletic Ltd and is scheduled to launch its first dance, fitness and sports ranges in autumn 2015.
Does the answer answer the question?

ANS: yes

QUES: Q: What leads to biodiversity loss is some countries?
A: Conversion to "trivial" standardized ecosystems (e.g., monoculture following deforestation) effectively destroys habitat for the more diverse species that preceded the conversion.
Does the answer answer the question?

ANS:
no