| Typicality: | 0.501 |
| Saliency: | 0.588 |
| for life on earth | 14 | transitive-object |
| to the survival of these bacteria | 7 | purpose |
| in regulating the life cycle | 4 | other |
| photosynthesis → be → vital | 13 |
| photosynthesis → be → essential | 6 |
| photosynthesis → be → important | 5 |
| photosynthesis → be → crucial | 4 |
| photosynthesis → be → critical | 4 |
| photosynthesis → play → vital role | 3 |
| negative | neutral | positive |
| 0.027 | 0.488 | 0.485 |
| Raw frequency | 35 |
| Normalized frequency | 0.588 |
| Modifier score | 0.500 |
| Perplexity | 212.220 |