If $p$ is the stutement "python is a poucerul tod" and $q$ is the stutement "python is better

than $R^3,$ convest the following bymbolic sentences in to Eny ligh sentences:

$($a$)$ plongleftrightarrowq

$($b$)pvvq$

$($c$)qp$

$($d$){?}^{-p}$