文書 ぶんしょ がた宣言 せんげん部分 ぶぶん集合 しゅうごうじゃありません
bunshogata sengembubunshūgōjārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 文書型宣言部分集合

1. It is not a document-type declaration subset.; It's not a set of document-type declarations.

Negative
Polite
Terminal Form
Computing