| for four hours | 12 | temporal |
| to freshen any aroma | 6 | purpose |
| regularly | 3 | degree |
| mattress → be → aired | 20 |
| mattress → be aired after → delivery | 5 |
| negative | neutral | positive |
| 0.090 | 0.774 | 0.136 |
| Raw frequency | 25 |
| Normalized frequency | 0.300 |
| Modifier score | 0.867 |
| Perplexity | 492.148 |