Question: "The biggest city in the world is undoubtedly Olympia, Washington."
Is the above claim true?
Options:
- yes
- no

Let me think..... Olympia, Washington is not the biggest city in the world. The answer is no.

Question: Claim: "Akira Kurosawa has directed many films."
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..... He has won many accolades relating to film directing. The answer is yes.

Question: Is the following sentence factually correct?
"The American President, Zachary Taylor actually owned slaves."
Options:
- yes
- no

Let me think..... Most whites that could afford to own slaves did, so it's not surprising that even American Presidents like Zachary Taylor owned slaves. The answer is yes.

Question: Is the following statement true?
"Unicorns are a very popular mythical creature."
Let me think..... Unicorns are seen in popular movies and TV shows such as Harry Potter or My Little Pony, as well as being in art pieces, necklaces, and other things. The answer is yes.