| from the pituitary gland | 15 | location |
| to a lack of light | 10 | cause |
| from travel in the bloodstream | 9 | other |
| hormone → be → secreted | 104 |
| hormone → be secreted in → response | 18 |
| hormone → be secreted in → the body | 3 |
| negative | neutral | positive |
| 0.252 | 0.647 | 0.101 |
| Raw frequency | 125 |
| Normalized frequency | 0.735 |
| Modifier score | 0.741 |
| Perplexity | 129.785 |