trap → HasProperty → necessary
Typicality: 0.322
Saliency: 0.321
Facets 2
in some circumstances 3 other
to stop sewer gases 2 purpose
Open triples 2
trap → be → necessary 11
trap → be → required 4
Sentiment analysis
negative neutral positive
0.264 0.606 0.130
Other statistics
Raw frequency 15
Normalized frequency 0.321
Modifier score 0.300
Perplexity 331.776