question: OPTIONS:
- yes
- no
In 1953 Sweet Adelines became an international organization, although it didn't change its name to Sweet Adelines International until 1991.
How many women are members of the Sweet Adelines?

answer: no

question: OPTIONS:
- yes
- no
The causes of the Franco-Prussian War are deeply rooted in the events surrounding the unification of Germany.
What established the European balance of power in 1815?

answer: no

question: OPTIONS:
- yes
- no
Another relevant archaeological find, which also dates to the 1st century AD, is an unidentified heel bone with a spike discovered in a Jerusalem gravesite, now held by the Israel Antiquities Authority and displayed in the Israel Museum.
What institution holds a heel bone with a spike inserted?

answer: yes

question: OPTIONS:
- yes
- no
Today it is the 4th busiest airport in the world by international traffic, and is the hub for the nation's flag carrier Air France.
What is the busiest airport in Paris?

answer:
no