| Typicality: | 0.383 |
| Saliency: | 0.312 |
| profoundly | 4 | degree |
| for humans | 2 | other |
| melatonin → be stimulated by → darkness | 4 |
| melatonin → be triggered by → darkness | 4 |
| melatonin → be affected by → dark | 4 |
| melatonin → anticipate → daily onset of darkness | 3 |
| melatonin → need → darkness | 3 |
| negative | neutral | positive |
| 0.202 | 0.673 | 0.125 |
| Raw frequency | 18 |
| Normalized frequency | 0.312 |
| Modifier score | 0.500 |
| Perplexity | 30.929 |