Subject	neurological disorder
Predicate	has_property
Object	necessary
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.7124
Neighborhood Sigma	0.9514
Local Sigma	0.7124
Example Sentences	Sentence Occurrences Source neurological disorders are necessary 4 Google Autocomplete neurological disorder is necessary 2 Google Autocomplete