外国 がいこく じん旅行 りょこう しゃでしょう
gaikokujinryokōshadeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 外国人旅行者

1. Probably a foreign traveler.; Likely a foreign tourist.

Polite
Presumptive
Conjecture