Question: Yes / no, is the following a verifiable fact?
"The Romani people have migrated across Europe for many years."

Let me think..... The Romani people originated from India and have been a dispersed ethnic population in Europe. The answer is yes.

Question: Is the following statement true?
"Detroit River contains 24 charted islands where most of them are located on the Canada side of the river."

Let me think..... Detroit River contains 31 charted islands and majority of the islands are located on the American side of the river. The answer is no.

Question: Is the following a factual statement?
"Mount Fuji one of the tallest mountains, bring the country of Sweden great pride."
Options:
- yes
- no

Let me think..... Mount Fuji is one of the extreme points of located in Japan. The answer is no.

Question: "Homer Simpson married Lisa Simpson in The Simpsons."
Is the above claim true?
Options:
- yes
- no
Let me think..... Homer Simpson actually married Marge Bouvier and Lisa Simpson is his daughter. The answer is no.