| in order to ensure durability | 8 | purpose |
| from contamination | 5 | transitive-object |
| from toilet splash | 4 | other |
| seal → be → protected | 30 |
| seal → provide → protection | 11 |
| seal → offer → protection | 5 |
| seal → need → protection | 4 |
| negative | neutral | positive |
| 0.110 | 0.576 | 0.314 |
| Raw frequency | 50 |
| Normalized frequency | 0.500 |
| Modifier score | 0.500 |
| Perplexity | 315.997 |