| from properly constructed wells | 5 | other |
| from the treatment t1 | 4 | other |
| each year | 3 | temporal |
| yield → be → reported | 38 |
| yield → be → recorded | 30 |
| negative | neutral | positive |
| 0.116 | 0.745 | 0.139 |
| Raw frequency | 68 |
| Normalized frequency | 0.573 |
| Modifier score | 0.400 |
| Perplexity | 62.482 |