Assertion: circle | /r/HasProperty | formed
Facets:
value: by slicing a right circular cone
type: MANNER
Source sentences:
text: The circle is formed by making a circle with the index finger, holding the thumb at the bottom of the ball parallel to the middle finger and holding the ball far out in the hand.
text: A circle can be formed by slicing a right circular cone with a plane traveling parallel to the base of the cone.