Question: Yes / no, is the following a verifiable fact?
"Advertising offers a channel of communication between two state governments."

Let me think..... This is false because communication between state governments is not done through advertisements. The answer is no.

Question: Does the following sentence make sense?
"The etymology of September tells us that the name of the the ninth month in our year actually comes from the number seven."
Options:
- yes
- no

Let me think..... September was the seventh month in the Roman year, later two more months were added. The answer is yes.

Question: Yes / no, is the following a verifiable fact?
"Cultural psychology shapes the psychological processes of their members."

Let me think..... The sentence is true because that is the definition, by practice, of the term. The answer is yes.

Question: Yes / no, is the following a verifiable fact?
"Christopher Lee sailed the seas with the Royal Navy in WW I."
Let me think..... He was a member of the Royal Air Force during WW II. The answer is no.