Question: Does the following sentence make sense?
"Paleoclimatology relies heavily on proxy methods, since there is no way to directly observe historical climates."
Options:
- yes
- no

Let me think..... A variety of techniques are used to approximate and gauge temperatures from times before recorded history. The answer is yes.

Question: Is the following a factual statement?
"John D. Rockefeller studied medicine and practiced for 20 years."
Options:
- yes
- no

Let me think..... John D. Rockefeller was a business man and a philanthropist. The answer is no.

Question: Is the following sentence factually correct?
"Pink sold millions of records and won a Grammy Award for at least one of her vocal performances."
Options:
- yes
- no

Let me think..... Pink (singer) made millions of dollars as a vocal performer and took home at least one Grammy Award for her efforts. The answer is yes.

Question: Is the following a factual statement?
"Viscosity measures how angry a person can get."
Options:
- yes
- no
Let me think..... Viscosity has nothing to do with an individual's temperment. The answer is no.