Subject	spore
Predicate	has_manner
Object	hard
Modality	Modality Occurrences TBC[so hard] 1
Polarity	POSITIVE
Plausibility	0.9454
Neighborhood Sigma	0.9716
Local Sigma	0.9454
Example Sentences	Sentence Occurrences Source spores are hard to kill 2 Google Autocomplete spores are hard to stain 1 Google Autocomplete spores are so hard to destroy 1 Answers.com Questions