| Typicality: | 0.624 |
| Saliency: | 0.496 |
| near the top of the stairway | 4 | location |
| in a rooming unit | 3 | location |
| detector → be installed on → the ceiling | 6 |
| detector → be mounted on → the ceiling | 6 |
| detector → be placed on → the ceiling | 4 |
| detector → be located on → the ceiling | 3 |
| detector → be located on → ceiling | 3 |
| negative | neutral | positive |
| 0.085 | 0.866 | 0.049 |
| Raw frequency | 22 |
| Normalized frequency | 0.496 |
| Modifier score | 1.000 |
| Perplexity | 82.145 |