| in monitoring this practice | 6 | temporal |
| against any cost increases | 4 | transitive-object |
| airline → be → vigilant | 8 |
| airline → remain → vigilant | 3 |
| airline → be → more vigilant | 3 |
| negative | neutral | positive |
| 0.209 | 0.689 | 0.103 |
| Raw frequency | 14 |
| Normalized frequency | 0.293 |
| Modifier score | 0.500 |
| Perplexity | 58.897 |