Idea: The Samsung Galaxy S II is an outdated phone model and not many people still have one.
Generated [question] and [answer]: [Is the following statement true?
"Most people have a Samsung Galaxy S II."]
[no]

Idea: Lake Baikal is most likely a frozen lake in Siberia.
Generated [question] and [answer]: [Claim: "Lake Baikal has many geese and frogs."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no]
[no]

Idea: This sentence is false because Casio does not deal with car engines.
Generated [question] and [answer]:
[Is the following sentence factually correct?
"Casio manufactures and maintains the Honda engines of cars."
Options:
- yes
- no]
[no]