Assertion: summer | /r/HasProperty | the period
Facets:
value: to the autumn equinox
type: TEMPORAL
value: from the summer solstice
type: TEMPORAL
value: in north america
type: LOCATION
value: by this method
type: OTHER
Source sentences:
text: By this method, in North America, summer is the period from the summer solstice (usually 20 or 21 June in the Northern Hemisphere) to the autumn equinox.