question: OPTIONS:
- yes
- no
Here in June 1849 he was visited by Jenny Lind.
When did Jenny Lind visit Chopin?

answer: yes

question: OPTIONS:
- yes
- no
Data security prevents unauthorized users from viewing or updating the database.
What does data security avoid?

answer: yes

question: OPTIONS:
- yes
- no
Starting in the coal mines, by the mid-19th century elevators were operated with steam power and were used for moving goods in bulk in mines and factories.
What were elevators originally built for?

answer: yes

question: OPTIONS:
- yes
- no
The new King and his wife Queen Alexandra had always been at the forefront of London high society, and their friends, known as "the Marlborough House Set", were considered to be the most eminent and fashionable of the age.
What colors were used in the redecorations overseen by King Edward VII?

answer:
no