Subject	hydrilla
Predicate	affect
Object	ecosystem
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.4273
Neighborhood Sigma	1.0000
Local Sigma	0.4300
Example Sentences	Sentence Occurrences Source hydrilla affect the ecosystem 2 Google Autocomplete, Answers.com Questions hydrilla affects the ecosystem 2 Google Autocomplete, Answers.com Questions