Subject	planetary nebulae
Predicate	has_property
Object	nasa
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.6679
Neighborhood Sigma	0.7330
Local Sigma	0.6693
Example Sentences	Sentence Occurrences Source planetary nebulae is nasa 2 Google Autocomplete planetary nebulae are nasa 1 Google Autocomplete a planetary nebulae is nasa 1 Google Autocomplete