1.How are the two statements given below related to each other?

x: if you run for 10 minutes, then you will raise your heart rate.
z: if you do not run for 10 minutes, then you will not raise your heart rate.

A) Z is the contrapositive of X.
B) Z is the coverse of X.
C) Z is the inverse of X.
D) Z is the retrograde of X.

Is the answer A?