valve → be made from → silicone | 8 |
valve → be made of → silicone | 4 |
valve → be manufactured of → silicone | 3 |
negative | neutral | positive |
0.056 | 0.658 | 0.286 |
Raw frequency | 15 |
Normalized frequency | 0.242 |
Modifier score | 0.500 |
Perplexity | 131.230 |