Show that the language $L=\{|w{|}_a=|w{|}_b|win\{a,b\}**\},$ is not inherently

a

ambiguous. Here, $|w{|}_a$ represents the number of a$\text{'}$s in $w.$

b Prove that the language $L=a^n{b}^n{c}^i|in$ is not CFL$.$