Answer the following question: Yes / no, is the following a verifiable fact?
"A Photon carries energy but it has zero mass."
My answer and thoughts: The answer is yes.
Chain of thoughts: This is true because photon is a particle that represents the quantum of light.

Answer the following question: Is the following a factual statement?
"Times Square visitors often take pictures in front of the Lincoln Monument."
Options:
- yes
- no
My answer and thoughts: The answer is no.
Chain of thoughts: The Lincoln Monument is Washington D.C., while Times Square is in New York City.

Answer the following question: Does the following sentence make sense?
"The Placebo provided much needed treatment for the child's life threatening cancer."
Options:
- yes
- no
My answer and thoughts:
The answer is no.
Chain of thoughts: A placebo is not used to treat any diseases.