Assertion: hydrogen sulfide | /r/CapableOf | choke off oxygen
Facets:
value: for marine life
type: PURPOSE
value: for plants
type: TRANSITIVE-OBJECT
value: for animals
type: TRANSITIVE-OBJECT
Source sentences:
text: The cause for that, paleontologist Peter Ward says, was actually homegrown: Hydrogen sulfide in the oceans and atmosphere turned the sky green and choked off oxygen for plants, animals and marine life.