Answer the following question: Is the following sentence factually correct?
"Immunology introduces viruses in our bodies to raise our immunes."
Options:
- yes
- no
My answer and thoughts: The answer is no.
Chain of thoughts: Immunology is the study of the immune system and not the introduction of viruses into our bodies.

Answer the following question: Is the following a factual statement?
"The Mayflower brought religious refugees to North America."
Options:
- yes
- no
My answer and thoughts: The answer is yes.
Chain of thoughts: Many of the pilgrims on the Mayflower fled religious persecution in England, and came to America seeking freedom.

Answer the following question: "Alan Greenspan made many public appearances throughout his career."
Is the above claim true?
Options:
- yes
- no
My answer and thoughts:
The answer is yes.
Chain of thoughts: As a prominent public figure for many years, this was a requirement of his most well-known job which was the chair of the Federal Reserve.