Subject	material
Predicate	become
Object	radioactive
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.8843
Neighborhood Sigma	0.8968
Local Sigma	0.9007
Example Sentences	Sentence Occurrences Source materials become radioactive 4 Google Autocomplete material become radioactive 2 Google Autocomplete a material become radioactive 6 Google Autocomplete