Subject	aggregate demand curve
Predicate	can
Object	exist
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.0021
Neighborhood Sigma	0.0021
Local Sigma	0.0021
Example Sentences	Sentence Occurrences Source aggregate demand curves can exist 2 Google Autocomplete a aggregate demand curve can exist 1 Google Autocomplete