Question: Yes / no, is the following a verifiable fact?
"Preventive healthcare increases the cost of healthcare unnecessarily."
Ans and explanation: The answer is no.
Explanation: Preventive healthcare lowers the overall cost of total medical expenditures.

Question: Does the following sentence make sense?
"In the United States, a Jury must proceed on the basis that a person charged with a crime is innocent unless proven guilty."
Options:
- yes
- no
Ans and explanation: The answer is yes.
Explanation: Presumption of innocence is widely understood and commonly quoted.

Question: Yes / no, is the following a verifiable fact?
"Groucho Marx once reside in the city of Peoria, Illinois."
Ans and explanation: The answer is no.
Explanation: It doesn't state if Marx ever reside in the state, though he did made a slogan with the city name.

Question: Yes / no, is the following a verifiable fact?
"Flour comes from ground up cedar trees."
Ans and explanation:
The answer is no.
Explanation: Flour is actually made from ground up wheat.