Subject	metal
Predicate	has_property
Object	extracted
Modality	Modality Occurrences some[subj/most] 2
Polarity	POSITIVE
Plausibility	0.2651
Neighborhood Sigma	0.2651
Local Sigma	0.2693
Example Sentences	Sentence Occurrences Source metals are extracted 8 Google Autocomplete, Answers.com Questions metals need to be extracted 3 Google Autocomplete most metals need to be extracted 2 Google Autocomplete metals of low reactivity are extracted 4 Google Autocomplete metals of high reactivity are extracted 4 Google Autocomplete metals are found and extracted 4 Google Autocomplete metals is extracted 1 Google Autocomplete metal is extracted 2 Google Autocomplete, Answers.com Questions