What's the best answer to this question: can we use nuclear power to propel spaceships?

OPTIONS:
- no
- yes
Answer: yes

What's the best answer to this question: is the book the historian a true story?

OPTIONS:
- no
- yes
Answer: no

What's the best answer to this question: can you change a pawn to a queen in chess?

OPTIONS:
- no
- yes
Answer:
yes