| correctly | 18 | manner |
| underground | 12 | location |
| below ground | 8 | location |
| tank → be → installed | 259 |
| tank → be intended for → installation | 4 |
| tank → be → installation | 3 |
| negative | neutral | positive |
| 0.169 | 0.695 | 0.135 |
| Raw frequency | 266 |
| Normalized frequency | 0.721 |
| Modifier score | 0.807 |
| Perplexity | 350.025 |