Subject	air pressure
Predicate	affect
Object	flight
Modality	Modality Occurrences TBC[flight of football] 1
Polarity	POSITIVE
Plausibility	0.7938
Neighborhood Sigma	0.7939
Local Sigma	0.9155
Example Sentences	Sentence Occurrences Source air pressure affect the flight of a football 1 Google Autocomplete air pressure affect flight 2 Answers.com Questions