Subject	phenolphthalein indicator
Predicate	be used for
Object	nitration
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.0217
Neighborhood Sigma	0.0289
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source phenolphthalein indicator was used for the nitration 1 Google Autocomplete