| over time | 6 | temporal |
| very slowly | 5 | manner |
| sky → get → bluer | 16 |
| sky → become → bluer | 15 |
| sky → grow → blue | 3 |
| sky → grow → bluer | 3 |
| negative | neutral | positive |
| 0.026 | 0.301 | 0.673 |
| Raw frequency | 37 |
| Normalized frequency | 0.348 |
| Modifier score | 0.500 |
| Perplexity | 142.847 |