Subject	cell membrane
Predicate	need
Object	permeable
Modality	Modality Occurrences TBC[selectively permeable] 7 TBC[semi permeable] 5
Polarity	POSITIVE
Plausibility	0.1005
Neighborhood Sigma	0.1010
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source cell membranes need to be selectively permeable 2 Google Autocomplete a cell membrane need to be selectively permeable 3 Google Autocomplete a cell membrane need to be semi permeable 5 Google Autocomplete the cell membrane need to be selectively permeable 2 Google Autocomplete