Subject	satellite
Predicate	suddenly stop
Object	visible
Modality	Modality Occurrences TBC[visible in clear night sky] 1
Polarity	POSITIVE
Plausibility	0.0320
Neighborhood Sigma	0.0320
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source satellites suddenly stop being visible 2 Google Autocomplete satellite suddenly stop being visible in a clear night sky 1 Answers.com Questions