Anchor: For multiple units at one site, all but the silo would certainly need to be duplicated.
Entailed: The site can have either a single unit, or hold multiple units.
Contradiction: All sites don't include a silo to work with, and thus a silo is not of any concern.
Contradiction: A man is lying on his back in the middle of the desert.
Contradiction: A man sitting next to a pool playing guitar.
Contradiction: The stage is empty.
Contradiction: People playing music in a club