Question $1$

Given the following grammar G$,$ please determine if it is ambiguous or not. If it is$,$ please

provide an example illustrating its ambiguity and rewrite it to make it unambiguous. If this

cannot be done, please say so$.$ Otherwise, if it is not ambiguous, please state clearly that it is not.

$=(\backslash$Sigma $,,,)$ where

$1.\backslash$Sigma $=(,,,)$

$2.=(<>,<>)$

$3.=<>$

$4.$ where

a$.<$ stmt $>->$ if $<$ expr $>$ then $<$ stmt $>$

b$.<$ stmt $>->$ if $<$ expr $>$ then $<$ stmt $>$ else $<$ stmt $>$

c$.<$ stmt $>->$ other