Subject	hydrogen fuel cell
Predicate	has_trait
Object	efficient
Modality	Modality Occurrences TBC[more efficient] 3
Polarity	POSITIVE
Plausibility	0.8866
Neighborhood Sigma	0.8907
Local Sigma	0.8866
Example Sentences	Sentence Occurrences Source hydrogen fuel cells are efficient 8 Google Autocomplete hydrogen fuel cell is more efficient 2 Google Autocomplete hydrogen fuel cells is more efficient 1 Google Autocomplete