嫌煙 けんえん活動 かつどう でしょう
ken'enkatsudōkadeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 嫌煙活動家

1. Probably an anti-smoker.; Probably a non-smoker activist.

Polite
Presumptive
Conjecture