Answer the following question: Is the following sentence factually correct?
"Rheumatoid arthritis mainly attacks the joints of the body."
Options:
- yes
- no
My answer and thoughts: The answer is yes.
Chain of thoughts: Rheumatoid arthritis causes painful swelling in the joints.

Answer the following question: Is the following a factual statement?
"Medicine hurts you if you do not take it regularly."
Options:
- yes
- no
My answer and thoughts: The answer is no.
Chain of thoughts: You should only take medicine when you are sick.

Answer the following question: Yes / no, is the following a verifiable fact?
"Legal Opium dens are the new fad among the baby boom generation here in the U.S."
My answer and thoughts:
The answer is no.
Chain of thoughts: Opium remains highly illegal in the US and not the kind of thing most baby boomers are doing.