Question part
Yes / no, is the following a verifiable fact?
"The book Harry Potter and the Philosopher's Stone is called Harry Potter and the Sorcerer's Stone in the United States."
Answer part
Oh man, I think this is the solution: The author agreed to change the title of the book for an American audience because the publishers thought that American children wouldn't recognize "philosopher" as being magical. The answer is yes.

Question part
Is the following statement true?
"Frank Zappa worked with Thomas Edison to harness electricity."
Answer part
Oh man, I think this is the solution: Frank Zappa is a musician from the late 20th century. The answer is no.

Question part
"Nicobar Islands is the only island present in the Bay of Bengal."
Is the above claim true?
Options:
- yes
- no
Answer part
Oh man, I think this is the solution: Bay of Bengal consists of several island including including the Andaman Islands, Nicobar Islands and Mergui Archipelago. The answer is no.

Question part
Claim: "The Rio de la Plata provides a freshwater source to the people of Mexico."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
Answer part
Oh man, I think this is the solution: The Rio de la Plata is actually located in South America and does not flow through Mexico. The answer is no.