生命 せいめい存在 そんざい指標 しひょうじゃなかったです
seimeisonzai shi hyōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 生命存在指標

1. Wasn't a vital sign.; Wasn't an indicator of life.

Past/Perfective
Negative
Polite
Casual Register