Assertion: star | /r/HasProperty | fueled by nuclear fusion of hydrogen
Facets:
value: into helium
type: OTHER
value: within their cores
type: LOCATION
value: to form helium
type: PURPOSE
Source sentences:
text: Stars are fueled by the nuclear fusion of hydrogen to form helium deep in their interiors.
text: All stars spend the majority of their existence as main sequence stars, fueled primarily by the nuclear fusion of hydrogen into helium within their cores.