Subject	arthritis
Predicate	affect
Object	muscular system
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.8289
Neighborhood Sigma	0.8391
Local Sigma	0.9269
Example Sentences	Sentence Occurrences Source arthritis affect the muscular system 2 Google Autocomplete, Answers.com Questions arthritis affects the muscular system 2 Google Autocomplete, Answers.com Questions