Question: Does the following sentence make sense?
"Prague Spring attempted to grant additional rights to the citizens of Czechoslovakia in an act of partial decentralization."
Options:
- yes
- no

Let me think..... The sentence is true because historians have researched the matter and have demonstrated through reasonable evidence that the above claim is true. Also, people who experienced it have left testimonies. The answer is yes.

Question: Is the following statement true?
"Those participating in Formula One competitions have to be knowledgeable in chemistry."

Let me think..... Formula One has nothing to do with chemistry, it is a racing competition. The answer is no.

Question: Yes / no, is the following a verifiable fact?
"The loss of habitat does not threaten the Jungle cat."

Let me think..... Loss of habitat is the primary threat to jungle cats. The answer is no.

Question: Yes / no, is the following a verifiable fact?
"Umpire makes decisions about balls and strikes."
Let me think..... Umpire (baseball) is the chief official doing this. The answer is yes.