Subject	grain
Predicate	be more efficient
Object	humans eat than for cows
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.0012
Neighborhood Sigma	0.0012
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source grain is more efficient for humans to eat than for cows 1 Answers.com Questions