相手 あいて選択 せんたく接続 せつぞくじゃなかったです
aitesentakusetsuzokujanakattadesu

Noun
Desu Copula

The polite, past negative form of 相手選択接続

1. Wasn't choosing a partner.; Didn't select an opponent.

Past/Perfective
Negative
Polite
Casual Register
Computing