Subject	human activity
Predicate	affect
Object	water quality
Modality	Modality Occurrences TBC[water quality of macritchie reservoir] 1
Polarity	POSITIVE
Plausibility	0.8274
Neighborhood Sigma	0.8428
Local Sigma	0.8717
Example Sentences	Sentence Occurrences Source human activity affect water quality 10 Google Autocomplete human activities affect water quality 1 Google Autocomplete human activities affect the water quality of the macritchie reservoir 1 Google Autocomplete