Question $4$

Perform the following two steps to modify the grammar to remove ambiguity and enforce precedence.

V $=\{$E$,$ Q$,$ p$,$ q$,$ r$,,\}$

T $=\{$p$,$ q$,$ r$,,\}$

S$=$E

P$=\{$

E$$Q$|$E$$E$|$E$$E

Q$$p$|$q$|$r

$\}$

Question $4.$A

Enforce left$-$associativity in the grammar for the following operators: $,$

Write the new grammar below $($give the new set P $)$:

Question $4.$B Enforce precedence into the grammar for part $4.$A for the following operators $($in order from highest to lowest$)$: $,$ Write the new grammar below $($give the new sets V and P$)$: