年末 ねんまつ年始 ねんし休暇 きゅうかでしょう
nemmatsunenshikyūkadeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 年末年始休暇

1. Probably a New Year's holiday.; Likely taking time off for the New Year's holidays.

Polite
Presumptive
Conjecture