| well | 8 | degree |
| based on price versus performance | 3 | cause |
| mattress → be → reviewed | 11 |
| mattress → be based on → review | 7 |
| mattress → be reviewed by → customer | 5 |
| negative | neutral | positive |
| 0.137 | 0.448 | 0.415 |
| Raw frequency | 23 |
| Normalized frequency | 0.288 |
| Modifier score | 0.800 |
| Perplexity | 269.829 |