Subject	human activity
Predicate	contribute to
Object	soil erosion
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.9486
Neighborhood Sigma	0.9662
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source human activities contribute to soil erosion 1 Google Autocomplete human activity contribute to soil erosion 4 Google Autocomplete, Answers.com Questions