| always | 7 | degree |
| with algae | 5 | other |
| with the winter freeze | 5 | other |
| pond → be → green | 22 |
| pond → turn → green | 17 |
| pond → go → green | 9 |
| negative | neutral | positive |
| 0.219 | 0.483 | 0.298 |
| Raw frequency | 48 |
| Normalized frequency | 0.599 |
| Modifier score | 0.800 |
| Perplexity | 234.426 |