| very | 3 | degree |
| in response to environmental stimulation | 3 | cause |
| coupling → be → essential | 7 |
| coupling → be → important | 7 |
| coupling → be → critical | 3 |
| negative | neutral | positive |
| 0.057 | 0.666 | 0.277 |
| Raw frequency | 17 |
| Normalized frequency | 0.683 |
| Modifier score | 0.500 |
| Perplexity | 296.690 |