| much | 7 | degree |
| for better durability | 4 | purpose |
| at cold temperatures | 3 | location |
| foam → be → firmer | 26 |
| foam → be → more firm | 5 |
| negative | neutral | positive |
| 0.031 | 0.563 | 0.406 |
| Raw frequency | 31 |
| Normalized frequency | 0.460 |
| Modifier score | 0.500 |
| Perplexity | 175.678 |