| to save even more water | 7 | purpose |
| to provide amenities | 5 | purpose |
| to reduce their impact | 4 | purpose |
| airport → take → step | 23 |
| airport → taken → step | 7 |
| negative | neutral | positive |
| 0.088 | 0.546 | 0.366 |
| Raw frequency | 30 |
| Normalized frequency | 0.324 |
| Modifier score | 0.700 |
| Perplexity | 120.971 |