| by customer | 23 | other |
| at time of booking | 13 | temporal |
| in case of children | 12 | other |
| surcharge → be → payable | 161 |
| surcharge → be → paid | 55 |
| surcharge → become → payable | 3 |
| negative | neutral | positive |
| 0.222 | 0.741 | 0.037 |
| Raw frequency | 219 |
| Normalized frequency | 0.968 |
| Modifier score | 0.385 |
| Perplexity | 64.924 |