| during a prolonged drought | 8 | temporal |
| consistently | 2 | degree |
| by small pumping engines | 2 | cause |
| tank → be kept → full | 10 |
| tank → remain → full | 9 |
| tank → stay → full | 6 |
| tank → be left → full | 3 |
| negative | neutral | positive |
| 0.171 | 0.665 | 0.165 |
| Raw frequency | 28 |
| Normalized frequency | 0.359 |
| Modifier score | 1.000 |
| Perplexity | 212.175 |