Given two statements: r -> s and ~s -> ~r, in which way is the second statement related to the first?

a.) converse
b.) inverse
c.) contrapositive
d.) biconditional

3 answers

Are you having an identity crisis, Taylor, Lauren, and Michelle?

Please use only one name and also post your answers.
My name does not matter, i just need an answer and it would be nice if i got one instead of focusing on what name i use. Thank you . . .
again, contrapositive