Subject	respiratory system
Predicate	need
Object	system
Modality	Modality Occurrences TBC[circulatory system] 3 TBC[digestive system] 3 TBC[nervous system] 1
Polarity	POSITIVE
Plausibility	0.0011
Neighborhood Sigma	0.0011
Local Sigma	0.0011
Example Sentences	Sentence Occurrences Source the respiratory system need the circulatory system 3 Google Autocomplete the respiratory system need the digestive system 3 Google Autocomplete the respiratory system need the nervous system 1 Google Autocomplete