Assertion: extreme croquet | /r/CapableOf | take step
Facets:
value: in the late 1970
type: TEMPORAL
value: in the united states
type: LOCATION
value: forward
type: MANNER
Source sentences:
text: In the United States, eXtreme croquet took a step forward in the late 1970's with the development of "Guerilla Croquet", invented by collegiate champion Hans Peterson and his partners at Croquet Magazine, Bob Alman and Michael Orgill.