| fountain pen | 34 | other |
| environmentally | 20 | degree |
| according to the subject | 10 | other |
| paper → be → friendly | 94 |
| paper → be → pen friendly | 3 |
| negative | neutral | positive |
| 0.049 | 0.252 | 0.699 |
| Raw frequency | 97 |
| Normalized frequency | 0.478 |
| Modifier score | 1.000 |
| Perplexity | 492.663 |