Explanation and answer: Brown pigmentation most frequently occurs in human irises, while purple is very rare.
no

The corresponding question: Yes / no, is the following a verifiable fact?
"Most human Eyes contain purple irises."
Gulf Oil is a large company that provides for many companies, including some international companies.
no
Is the following a factual statement?
"Gulf Oil only provides oil to the Gulf of Mexico."
Options:
- yes
- no
Explanation and answer: As Wellcome Trust is a non-government body and works as a charity, it collects funds from people.
yes

The corresponding question: Does the following sentence make sense?
"Wellcome Trust raise fund for supporting health research."
Options:
- yes
- no
Tagalog is one of the spoken languages of the Philippines.
no
Does the following sentence make sense?
"Filipinos never speak the Tagalog language."
Options:
- yes
- no
Explanation and answer: The sentence is true because there is evidence through ceremony records of awards awarded.
yes

The corresponding question: Claim: "Orson Scott Card won both the Hugo Award and the Nebula Award."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
Explanation and answer: There is competition for being a champion in Sudoku.
yes

The corresponding question:
"Tournaments are actively hosting Sudoku games around the world."
Is the above claim true?
Options:
- yes
- no