Subject	surface mining
Predicate	be
Object	different
Modality	Modality Occurrences some[subj/surface and underground mining is differen] 1
Polarity	POSITIVE
Plausibility	0.0025
Neighborhood Sigma	0.0032
Local Sigma	0.0025
Example Sentences	Sentence Occurrences Source surface and underground mining is different 1 Answers.com Questions