| in food production | 3 | other |
| in all the treatments | 3 | other |
| drought → cause → decline | 7 |
| drought → contribute to → the decline | 3 |
| negative | neutral | positive |
| 0.670 | 0.309 | 0.021 |
| Raw frequency | 10 |
| Normalized frequency | 0.289 |
| Modifier score | 0.500 |
| Perplexity | 167.268 |