| in older roofs | 12 | location |
| very | 3 | degree |
| membrane → result in → leak | 14 |
| membrane → become → leaky | 6 |
| membrane → be → leaky | 5 |
| negative | neutral | positive |
| 0.738 | 0.244 | 0.018 |
| Raw frequency | 25 |
| Normalized frequency | 0.401 |
| Modifier score | 0.500 |
| Perplexity | 330.818 |