| in order to provide optimal comfort | 5 | purpose |
| usually | 4 | temporal |
| mattress → be made from → polyester | 82 |
| mattress → be made of → polyester | 59 |
| mattress → have → polyester | 5 |
| mattress → be made with → polyester | 3 |
| negative | neutral | positive |
| 0.077 | 0.663 | 0.260 |
| Raw frequency | 149 |
| Normalized frequency | 0.553 |
| Modifier score | 0.680 |
| Perplexity | 58.720 |