Assertion: octahedron's vertex | /r/CapableOf | form rectangle
Facets:
value: on the yz-plane
type: LOCATION
Source sentences:
text: The green vertices lie at (0, ±ϕ, ± 1 / ϕ ) and form a rectangle on the yz-plane.
text: The blue vertices lie at (± 1 / ϕ , 0, ±ϕ) and form a rectangle on the xz-plane.
text: The pink vertices lie at (±ϕ, ± 1 / ϕ , 0) and form a rectangle on the xy-plane.