Subject	dna
Predicate	has_property
Object	necessary
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.9706
Neighborhood Sigma	0.9706
Local Sigma	0.9706
Example Sentences	Sentence Occurrences Source dna is necessary for a cells survival 1 Google Autocomplete dna is necessary 6 Google Autocomplete, Yahoo Questions, Answers.com Questions dna is necessary in living things 1 Answers.com Questions