Determine whether the statement forms are logically equivalent. In each case, construct a truth table and include a sentence justifying your answer. Your sentence should show that you understand the meaning of logical equivalence.

$($a$)pvv(p^{{?}^{?}}q)$ and $q$

$($b$)(p^{{?}^{?}}q)$ and $p^{{?}^{?}}q$

$($c$)p^{{?}^{?}}(qvvr)$ and $(p^{{?}^{?}}q)vv(p^{{?}^{?}}r)$