 "Look out the window--at the sky," Sather Karf ordered.
Sather Karf instructed him to check out the two moons in the sky himself if he didn't believe it. 
mnli hypothesis: Sather Karf instructed him to check out the two moons in the sky himself if he didn't believe it.  premise:  "Look out the window--at the sky," Sather Karf ordered.