| for maximum production | 5 | purpose |
| in their multiple structures | 5 | location |
| for life | 3 | purpose |
| nitrogen → be → critical | 14 |
| nitrogen → be → critical element | 3 |
| negative | neutral | positive |
| 0.156 | 0.559 | 0.285 |
| Raw frequency | 17 |
| Normalized frequency | 0.413 |
| Modifier score | 0.500 |
| Perplexity | 42.750 |