| underground | 6 | location |
| temporarily | 5 | temporal |
| than above ground | 5 | location |
| carbon → be → stored | 117 |
| carbon → be stored in → the atmosphere | 11 |
| carbon → be stored for → example | 4 |
| negative | neutral | positive |
| 0.184 | 0.692 | 0.125 |
| Raw frequency | 132 |
| Normalized frequency | 0.817 |
| Modifier score | 0.767 |
| Perplexity | 145.938 |