The Truth Table Below Demonstrates That the Argument "(Q V

The truth table below demonstrates that the argument "(q v r) and ~r, so therefore q" is ___________________. $\begin{array}{|c|c|c|c|c|c|}\hline q&r&(qvr) &-r&((qvr) \&-r) &(((qvr) \&-r) \rightarrow q) \\\hline T & T & T & F & F & T \\\hline T & F & T & T & T & T \\\hline F&T&F&F&F&T\\\hline F&F&T&T&F&T\\\hline\end{array}$

A) valid
B) not valid
C) contingent
D) inconsistent