Subject	playstation network
Predicate	be under
Object	maintenance
Modality	Modality Occurrences TBC[maintenance after april 20 2011 shutdown] 1
Polarity	POSITIVE
Plausibility	0.8615
Neighborhood Sigma	1.0000
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source playstation network is under maintenance 13 Google Autocomplete, Answers.com Questions the playstation network is under maintenance 1 Google Autocomplete playstation network is under maintenance after april 20 2011 shutdown 1 Answers.com Questions