Consider three propositions:
P: "It is raining."
"The ground is wet."
R: "It is cloudy."

We are given the following premises:
If it is raining, then the ground is wet.
If it is not cloudy, then it is not raining.

Now, suppose we observe that it is not cloudy. Is the ground wet?
A. Yes, the ground is wet.
B. No, the ground is not wet.
C. It is not possible to determine the answer from the given information.