文脈 ぶんみゃく自由 じゆう言語 げんごじゃないです
bummyaku jiyū gengojanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 文脈自由言語

1. It's not context-free language.; It isn't a context-free language.

Negative
Polite
Casual Register