そう方向 ほうこうCATV しいえうてぃうぶいじゃありませんでした
sō hōkō shiieutiubuija arimasendeshita

Noun
Desu Copula

The polite, past negative form of 双方向CATV

1. Was not two-way CATV.; Was not a two-way cable TV system.

Past/Perfective
Negative
Polite
Terminal Form
Computing