Subject	tb skin test
Predicate	has_property
Object	performed
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.0006
Neighborhood Sigma	0.0006
Local Sigma	0.0006
Example Sentences	Sentence Occurrences Source tb skin test is performed 3 Google Autocomplete a tb skin test is performed 2 Google Autocomplete