| with clouds | 15 | other |
| with rain | 7 | other |
| by the time | 6 | temporal |
| sky → be → heavy | 75 |
| sky → grow → heavy | 5 |
| sky → become → heavy | 4 |
| sky → look → heavy | 4 |
| negative | neutral | positive |
| 0.296 | 0.560 | 0.144 |
| Raw frequency | 88 |
| Normalized frequency | 0.469 |
| Modifier score | 1.000 |
| Perplexity | 141.620 |