Subject	roofing
Predicate	has_property
Object	material
Modality	Modality Occurrences some[subj/lead used as] 1 some[subj/copper used as] 1 some[subj/aluminium a good] 1
Polarity	POSITIVE
Plausibility	0.3686
Neighborhood Sigma	0.4505
Local Sigma	0.3949
Example Sentences	Sentence Occurrences Source lead used as roofing is material 2 Google Autocomplete copper used as roofing is material 1 Google Autocomplete aluminium a good roofing is material 1 Google Autocomplete