What's the best answer to this question: is the big brother house a real house?

OPTIONS:
- no
- yes
Answer: yes

What's the best answer to this question: gene expression may be regulated by altering chromatin structure?

OPTIONS:
- no
- yes
Answer: yes

What's the best answer to this question: has any team blew a 3-0 lead?

OPTIONS:
- no
- yes
Answer:
yes