knee HasProperty necessary
Typicality: 0.359
Saliency: 0.255

Facets 2
to help ease the pain 4 purpose
especially 3 degree
Open triples 2
knee → be → necessary 9
knee → be → required 4
Sentiment analysis
negative neutral positive
0.320 0.488 0.191
Other statistics
Raw frequency 13
Normalized frequency 0.255
Modifier score 0.500
Perplexity 379.681