Subject	human activity
Predicate	affect
Object	quality of water
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.8859
Neighborhood Sigma	0.9023
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source human activity affect the quality of water 2 Google Autocomplete human activities affect the quality of water 2 Google Autocomplete