Assertion: summer solstice | /r/CapableOf | mark official start of summer
Facets:
Source sentences:
text: The summer solstice marks the official start of summer.
text: The summer solstice marks the official start of summer.
text: The summer solstice marks the official start of summer.
text: The summer solstice marks the official start of summer.
text: The summer solstice marks the official start of summer.
text: The summer solstice marks the official start of summer.