Subject	roofer
Predicate	walk on
Object	roofs
Modality	Modality Occurrences TBC[steep roofs] 2
Polarity	POSITIVE
Plausibility	0.9471
Neighborhood Sigma	0.9472
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source roofers walk on steep roofs 2 Google Autocomplete roofers walk on roofs 2 Google Autocomplete