| primarily | 14 | degree |
| related to the ultimate thing | 11 | other |
| with family shipping activities | 8 | other |
| letter → be → concerned | 66 |
| letter → be → concern | 10 |
| letter → be prompted by → concern | 4 |
| negative | neutral | positive |
| 0.236 | 0.663 | 0.102 |
| Raw frequency | 80 |
| Normalized frequency | 0.436 |
| Modifier score | 0.789 |
| Perplexity | 482.294 |