Assertion: cigarette butt's filter | /r/HasProperty | the most littered item
Facets:
value: on the planet
type: LOCATION
Source sentences:
text: Cigarette butts or filters are the most littered item on the planet.
text: Cigarette butts or filters are the most littered item on the planet, Anglia Ruskin University's Danielle Green points out.
text: Cigarette butts or filters are the most littered item on the planet.