Complete the following truth table by filling in the blanks with T or F as appropriate.

$p$	$q$	$p \rightarrow q$	$\mathbin{\sim} p$	$\mathbin{\sim} q$	$\mathbin{\sim} q \rightarrow \mathbin{\sim} p$
T	T
T	F
F	T
F	F

"$p \rightarrow q$" and "$\mathbin{\sim} q \rightarrow \mathbin{\sim} p$" are

A. not logically comparable
B. not logically equivalent
C. logically equivalent