Assertion: pollution | /r/HasProperty | problem
Facets:
value: clearly
type: MANNER
Source sentences:
text: Pollution is a problem because it damages crops, soil, plants and trees, interferes with air travel, gets into the world's lakes, rivers and streams and is harmful to animals and people.
text: If you think another country’s pollution is its own problem, think again.
text: Pollution clearly is a problem, though.