Answer the following question: Is the following sentence factually correct?
"Sudoku requires the use of a pen or pencil."
Options:
- yes
- no
My answer and thoughts: The answer is yes.
Chain of thoughts: Sudoku is a type of puzzle that you work on.

Answer the following question: Claim: "Prairie dog eat seeds, stems, roots, grasses, weeds, and the leaves of flowering plant."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
My answer and thoughts: The answer is yes.
Chain of thoughts: The sentence is true because through experiments and investigations over time, it was proved that this is the diet of prairie dogs.

Answer the following question: Is the following a factual statement?
"A Model walks the runway at fashion shows."
Options:
- yes
- no
My answer and thoughts:
The answer is yes.
Chain of thoughts: A model (person) wears clothing for fashion houses to show viewers.