Subject	continental tropical air mas
Predicate	be
Object	different from a maritime tropical air mass
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.3162
Neighborhood Sigma	0.7004
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source a continental tropical air mass is different from a maritime tropical air mass 1 Answers.com Questions