| rather poorly | 2 | degree |
| previously | 2 | temporal |
| carbon → be → estimated | 5 |
| carbon → be → quantified | 4 |
| carbon → be → calculated | 3 |
| negative | neutral | positive |
| 0.173 | 0.721 | 0.106 |
| Raw frequency | 12 |
| Normalized frequency | 0.299 |
| Modifier score | 0.500 |
| Perplexity | 99.336 |