human
Question: Which of the following relationships is true?

Choices:
A) Play-Doh can scratch diamond, therefore it is softer
B) Diamond can scratch Play-Doh, therefore Play-Doh is harder
C) Diamond can scratch Play-Doh, therefore diamond is harder
D) Play-Doh can scratch diamond, therefore it is harder
gpt
The correct answer is 2: Diamond can scratch Play-Doh, therefore diamond is harder.