いっ はつ回答 かいとうじゃなかったです
iwwa tsukaitō ja nakattadesu

Noun
Desu Copula

The polite, past negative form of 一発回答

1. Wasn't a one-shot answer.; Wasn't an immediate answer.; Wasn't a quick reply.

Past/Perfective
Negative
Polite
Casual Register