| pretty | 9 | degree |
| in unimaginable ways | 9 | manner |
| on aviation emissions | 2 | other |
| world → be → tough | 54 |
| world → be → tough place | 35 |
| world → get → tough | 5 |
| world → go to be → tough | 3 |
| negative | neutral | positive |
| 0.424 | 0.360 | 0.216 |
| Raw frequency | 97 |
| Normalized frequency | 0.540 |
| Modifier score | 0.400 |
| Perplexity | 78.534 |