Subject	mountain climber
Predicate	need
Object	oxygen tanks
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.9232
Neighborhood Sigma	0.9418
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source mountain climbers need oxygen tanks 9 Google Autocomplete mountain climbers need oxygen tanks when climbing great heights 1 Answers.com Questions