Assertion: freestyle skiing | /r/CapableOf | take off in america
Facets:
value: during the 1960s
type: TEMPORAL
Source sentences:
text: Freestyle skiing really began to take off in America during the 1960s when social change and freedom of expression together with the advances in ski equipment led to development of new and exciting skiing techniques.
text: Freestyle skiing really began to take off in America during the 1960s when social change and freedom of expression together with the advances in ski equipment led to development of new and exciting skiing techniques.