| well | 8 | degree |
| sufficiently | 5 | degree |
| in order to maintain appropriate dissolved oxygen levels | 2 | purpose |
| pond → be → aerated | 26 |
| pond → need → aeration | 5 |
| pond → have → aeration | 3 |
| negative | neutral | positive |
| 0.141 | 0.624 | 0.235 |
| Raw frequency | 34 |
| Normalized frequency | 0.525 |
| Modifier score | 1.000 |
| Perplexity | 234.047 |