| with no public legitimacy | 2 | other |
| in the water filtration process | 2 | other |
| medium → be → worthless | 6 |
| medium → be → useless | 5 |
| negative | neutral | positive |
| 0.863 | 0.127 | 0.010 |
| Raw frequency | 11 |
| Normalized frequency | 0.225 |
| Modifier score | 0.500 |
| Perplexity | 222.895 |