Question: Is the following a factual statement?
"Zebras are seen flying throughout southern Africa."
Options:
- yes
- no

Let me think..... Zebras can not fly, so can't be true. The answer is no.

Question: Claim: "Subject matter in Philosophy and economics has decreased since the 1980's."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no

Let me think..... Subject matter has grown as evidenced in publishing and journalism. The answer is no.

Question: Does the following sentence make sense?
"DNA replication began in China as a program instituted by Chairman Mao during the Great Leap Forward."
Options:
- yes
- no

Let me think..... No human being invented or instituted DNA replication and it was going on long before Mao was born. The answer is no.

Question: Is the following a factual statement?
"In the video game Gunsmoke, players use a light gun to shoot ducks for points."
Options:
- yes
- no
Let me think..... The game Duck Hunt, not Gunsmoke, is a light gun game about shooting ducks. The answer is no.