Q: Is the following statement true?
"One may need a Thorax CT in the case of a broken leg."
A: no
How to explain the answer: One may need a thorax CT in the case of a heart of lung condition.

Q: Yes / no, is the following a verifiable fact?
"St. Moritz held the Winter Olympics in 1992 and 2008."
A: no
How to explain the answer: They only held the 1928 and 1948 Winter Olympics.

Q: Is the following sentence factually correct?
"The Yellow pages have the numbers of every major politician."
Options:
- yes
- no
A: no
How to explain the answer: The Yellow Pages have the numbers of only people within a reasonable distance, and only if people want their name in it.