Subject	diffusion
Predicate	occur in
Object	gases
Modality	Modality Occurrences only 2
Polarity	POSITIVE
Plausibility	0.9126
Neighborhood Sigma	0.9127
Local Sigma	0.9128
Example Sentences	Sentence Occurrences Source diffusion only occur in liquids and gases 2 Google Autocomplete diffusion occur in gases and liquids 2 Google Autocomplete diffusion occur in gases 4 Google Autocomplete diffusion occur in liquids and gases 2 Answers.com Questions