mattress HasProperty to maintain firm
Typicality: 0.347
Saliency: 0.228

Facets 1
given are angular 2 cause
Open triples 4
mattress → be to maintain → firm 5
mattress → be to be → firm 4
mattress → be to preserve → firm 3
mattress → be to keep → firm 3
Sentiment analysis
negative neutral positive
0.120 0.819 0.060
Other statistics
Raw frequency 15
Normalized frequency 0.228
Modifier score 0.500
Perplexity 178.846