Question: Does the following sentence make sense?
"Fast food workers use DNA sequencing to test the freshness of meat."
Options:
- yes
- no
Ans and explanation: The answer is no.
Explanation: Fast food workers do not perform DNA sequencing.

Question: Is the following statement true?
"Martin Van Buren released several indie rock albums during the 2000s."
Ans and explanation: The answer is no.
Explanation: Martin Van Buren was an American politician, not an indie rock band.

Question: Does the following sentence make sense?
"Charles Darwin created the modern theory of evolutionary biology."
Options:
- yes
- no
Ans and explanation: The answer is yes.
Explanation: Charles Darwin pioneered many theories that helped to observe and explain natural biological evolution over time.

Question: Is the following sentence factually correct?
"Diphtheria toxin is a single, 90-kDa-molecular weight protein composed of three peptide chains, fragment A, fragment B, and fragment C."
Options:
- yes
- no
Ans and explanation:
The answer is no.
Explanation: Diphtheria toxin is a single, 60-kDa-molecular weight protein composed of two peptide chains, fragment A and fragment B.