Subject	vertebrate
Predicate	have
Object	systems
Modality	Modality Occurrences TBC[complex nervous systems] 2 TBC[complex digestive systems] 2
Polarity	POSITIVE
Plausibility	0.0241
Neighborhood Sigma	0.0249
Local Sigma	0.0340
Example Sentences	Sentence Occurrences Source vertebrates have complex nervous systems 2 Google Autocomplete vertebrates have complex digestive systems 2 Google Autocomplete