Subject	oil spill
Predicate	affect
Object	ecosystem
Modality	Modality Occurrences TBC[marine ecosystems] 2
Polarity	POSITIVE
Plausibility	0.8816
Neighborhood Sigma	0.8819
Local Sigma	0.8873
Example Sentences	Sentence Occurrences Source oil spills affect ecosystems 2 Google Autocomplete oil spills affect the ecosystem 2 Google Autocomplete oil spill affect ecosystems 2 Google Autocomplete oil spill affect the ecosystem 2 Google Autocomplete oil spills affect marine ecosystems 2 Google Autocomplete, Answers.com Questions