部分 ぶぶん要素 ようそじゃなかったです
bubun'yōsojanakattadesu

Noun
Desu Copula

The polite, past negative form of 部分要素

1. Wasn't part of it.; Wasn't an element.; Wasn't a component.

Past/Perfective
Negative
Polite
Casual Register
Computing