Subject	bronze
Predicate	be
Object	better than copper as a material use in making tools
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.7305
Neighborhood Sigma	0.7308
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source bronze was better than copper as a material use in making tools 1 Answers.com Questions