Subject	gold
Predicate	be extracted in
Object	1850 australian gold rush
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.1003
Neighborhood Sigma	0.1003
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source gold was extracted in 1850 australian gold rush 2 Answers.com Questions