Subject	quantum theory
Predicate	explain
Object	photoelectric effect
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.5955
Neighborhood Sigma	0.6614
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source quantum theory explain the photoelectric effect 6 Google Autocomplete quantum theory explain photoelectric effect 2 Google Autocomplete