| better | 2 | degree |
| by examining the ice cores | 2 | manner |
| carbon → be → measured | 19 |
| carbon → be → assessed | 3 |
| carbon → be → evaluated | 3 |
| negative | neutral | positive |
| 0.143 | 0.798 | 0.058 |
| Raw frequency | 25 |
| Normalized frequency | 0.458 |
| Modifier score | 0.625 |
| Perplexity | 261.137 |