家族 かぞく べつ総当 そうあたりでしょう
kazokubetsusōatarideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 家族別総当り

1. Probably a family lottery.; Likely everyone in the family will win something.

Polite
Presumptive
Conjecture
Sumo