Subject	volcanic eruption
Predicate	affect
Object	ecosystem
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.9775
Neighborhood Sigma	0.9809
Local Sigma	0.9838
Example Sentences	Sentence Occurrences Source volcanic eruptions affect ecosystems 4 Google Autocomplete, Answers.com Questions volcanic eruption affect the ecosystem 2 Google Autocomplete a volcanic eruption affect the ecosystem 1 Google Autocomplete