| very | 7 | degree |
| for human births before 34 weeks | 6 | temporal |
| at this stage of development | 4 | temporal |
| brain → be → immature | 36 |
| brain → remain → immature | 4 |
| negative | neutral | positive |
| 0.667 | 0.243 | 0.090 |
| Raw frequency | 40 |
| Normalized frequency | 0.415 |
| Modifier score | 0.500 |
| Perplexity | 329.548 |