Subject	positron emission tomography
Predicate	has_property
Object	x-ray
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.5833
Neighborhood Sigma	0.8027
Local Sigma	0.5833
Example Sentences	Sentence Occurrences Source positron emission tomography is x-ray 3 Google Autocomplete a positron emission tomography is x-ray 1 Google Autocomplete