独房 どくぼう監禁 かんきんではありませんでした
dokubōkankindewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 独房監禁

1. Was not solitary confinement.; Was not held in solitary confinement.

Past/Perfective
Negative
Polite
Formal Register