Subject textbook
Predicate has_property
Object secondary source
Modality
Modality Occurrences
Polarity POSITIVE
Plausibility 0.3527
Neighborhood Sigma 0.3527
Local Sigma 0.5744
Example Sentences
Sentence Occurrences Source
textbooks are secondary sources 2 Google Autocomplete
a textbook is a secondary source 20 Google Autocomplete