Subject	four
Predicate	has_body_part
Object	heart
Modality	Modality Occurrences TBC[chambered heart more efficient] 2 TBC[chambered heart] 1
Polarity	POSITIVE
Plausibility	0.0002
Neighborhood Sigma	0.0002
Local Sigma	0.0002
Example Sentences	Sentence Occurrences Source a four is chambered heart more efficient 2 Google Autocomplete a four is chambered heart an advantage 1 Google Autocomplete