| due to normal wear | 4 | cause |
| to residential and commercial customers | 2 | transitive-object |
| plumbing → be → replaced | 9 |
| plumbing → need → replacement | 5 |
| plumbing → include → replacement | 3 |
| plumbing → provide → replacement | 3 |
| negative | neutral | positive |
| 0.369 | 0.541 | 0.090 |
| Raw frequency | 20 |
| Normalized frequency | 0.487 |
| Modifier score | 1.000 |
| Perplexity | 329.746 |