Subject	tornado
Predicate	affect
Object	ecosystem
Modality	Modality Occurrences TBC[ecosystem of plants] 1
Polarity	POSITIVE
Plausibility	0.9301
Neighborhood Sigma	0.9301
Local Sigma	0.9361
Example Sentences	Sentence Occurrences Source tornadoes affect the ecosystem 1 Google Autocomplete a tornadoes affect ecosystems 1 Google Autocomplete tornadoes affect ecosystems 2 Answers.com Questions tornadoes affect the ecosystem of plants and animals 1 Answers.com Questions