| as a source of energy | 12 | purpose |
| to flourish | 6 | purpose |
| for photosynthesis | 2 | purpose |
| organism → use → light | 17 |
| organism → respond to → light | 8 |
| organism → require → light | 7 |
| organism → need → light | 6 |
| negative | neutral | positive |
| 0.111 | 0.722 | 0.167 |
| Raw frequency | 38 |
| Normalized frequency | 0.589 |
| Modifier score | 0.714 |
| Perplexity | 401.946 |