Assertion: rotation | /r/HasProperty | opposite
Facets:
value: by mechanically
type: MANNER
value: by gravity
type: OTHER
Source sentences:
text: A Ferris wheel has a horizontal central axis, and parallel axes for each gondola, where the rotation is opposite, by gravity or mechanically.
text: A Ferris wheel and observation wheel have a horizontal central axis, and parallel axes for each gondola, where the rotation is opposite, by gravity or mechanically.