Assertion: continent | /r/HasProperty | joined in single landmass
Facets:
value: together
type: MANNER
Source sentences:
text: Wegener’s hypothesis was that all the continents were once joined together in a single landmass and have since drifted apart.
text: From 1912, Wegener publicly advocated the existence of "continental drift", arguing that all the continents were once joined together in a single landmass and had since drifted apart.