Subject wetland
Predicate act as
Object natural filters
Modality
Modality Occurrences
Polarity POSITIVE
Plausibility 0.9718
Neighborhood Sigma 0.9812
Local Sigma 1.0000
Example Sentences
Sentence Occurrences Source
wetlands act as natural filters 6 Google Autocomplete, Answers.com Questions
the wetlands act as natural filters 1 Google Autocomplete