Subject	amphibian
Predicate	be important to
Object	ecosystem
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.0023
Neighborhood Sigma	0.0023
Local Sigma	0.0023
Example Sentences	Sentence Occurrences Source amphibians are important to the ecosystem 5 Google Autocomplete, Bing Autocomplete