| in the community of the environment | 3 | location |
| ceiling → be → protected | 3 |
| ceiling → be designed to improve → the protection | 3 |
| negative | neutral | positive |
| 0.108 | 0.639 | 0.254 |
| Raw frequency | 6 |
| Normalized frequency | 0.140 |
| Modifier score | 0.500 |
| Perplexity | 400.934 |