Subject	melting permafrost
Predicate	has_property
Object	concern
Modality	Modality Occurrences TBC[environmental concern] 2
Polarity	POSITIVE
Plausibility	0.6013
Neighborhood Sigma	0.8656
Local Sigma	0.7182
Example Sentences	Sentence Occurrences Source melting permafrost is a concern 6 Google Autocomplete melting permafrost is an environmental concern 2 Google Autocomplete