| to ease the process | 4 | purpose |
| despite changes in plumbing codes | 2 | other |
| lead → be found in → brass | 3 |
| lead → be added to → brass | 3 |
| negative | neutral | positive |
| 0.106 | 0.672 | 0.222 |
| Raw frequency | 6 |
| Normalized frequency | 0.104 |
| Modifier score | 0.600 |
| Perplexity | 238.562 |