\NewEnviron{simplequest}[1][]{%
\normalfont
\adjustwidth{3em}{3em}
\settowidth{\dimen@}{\sopeningquote\kern.4em\sclosingquote}%
\dimen@=\dimexpr\linewidth-\dimen@\relax
\setbox\simplequestbox=\vtop{
\@parboxrestore\itshape
\hsize=\dimexpr\dimen@-\pgfkeysvalueof{/pgf/inner xsep}*2\relax % thanks, Jake
\if\relax\detokenize{#1}\relax
\sbox\z@{\BODY}
\ifdim\wd\z@>\hsize
\noindent\BODY\par
\else
\box\z@
\fi
\else
\sbox\z@{#1}
\hsize\wd\z@