Subject	drain
Predicate	be used after
Object	surgery
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.2961
Neighborhood Sigma	0.2961
Local Sigma	0.3340
Example Sentences	Sentence Occurrences Source drains are used after surgery 2 Google Autocomplete a drain is used after surgery 4 Google Autocomplete