$3.(15$ points$)$ Given the following grammar with production rules numbered from $1$ to $8,$

$\{1.$ S $0$A$,$

$2.$ S $1$A$,$

$3.$ S $$ A$0,$

$4.$ S $$ AB$,$

$5.$ S $0,$

$6.$ S $0$A$1,$

$7.$ A $1,$

$8.$ S $->\backslash$lambda $\}$

$($i$)$ Indicate which of the rules satisfy the conditions for a context$-$free grammar

$($Sample answer: Production rules $1,5,8)$