なぞなぞじゃなかったです
謎々じゃなかったです
nazonazojanakattadesu

Noun
Desu Copula

The polite, past negative form of なぞなぞ

1. Wasn't a riddle.; Wasn't puzzling.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana