question: OPTIONS:
- yes
- no
Among Richmond's most interesting architectural features is its Cast-iron architecture.
What United States city has the most cast iron architecture?

answer: no

question: OPTIONS:
- yes
- no
The language was first introduced in North America when Russian explorers voyaged into Alaska and claimed it for Russia during the 1700s.
When did Russian explorers first reach North America?

answer: yes

question: OPTIONS:
- yes
- no
Fruit, which is formed by the enlargement of flower parts, is frequently a seed-dispersal tool that attracts animals to eat or otherwise disturb it, incidentally scattering the seeds it contains (see frugivory).
What did the enlargement of flower parts evolve to form?

answer: yes

question: OPTIONS:
- yes
- no
The United States is a two-party system, with its two most powerful parties being the Democratic Party and the Republican Party.
Name a nation that has a one-party political system.

answer:
no