無人 むじん宇宙 うちゅう せんでしょう
mujin'uchūsendeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 無人宇宙船

1. Unmanned spacecraft, probably.; It will likely be an unmanned spacecraft.

Polite
Presumptive
Conjecture