Subject	emphysema
Predicate	affect
Object	gaseous exchange
Modality	Modality Occurrences TBC[alveolar gaseous exchange] 1
Polarity	POSITIVE
Plausibility	0.7761
Neighborhood Sigma	0.7875
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source emphysema affect gaseous exchange 1 Google Autocomplete emphysema affects gaseous exchange 1 Google Autocomplete emphysema affects alveolar gaseous exchange 1 Answers.com Questions