Subject	threat
Predicate	has_property
Object	undetectable
Modality	Modality Occurrences some[subj/terrorist] 1
Polarity	POSITIVE
Plausibility	0.0044
Neighborhood Sigma	0.0053
Local Sigma	0.0048
Example Sentences	Sentence Occurrences Source terrorist threats are undetectable 1 Google Autocomplete