| to the normal sanitiser | 6 | other |
| in some cases | 4 | temporal |
| to normal levels of chlorine | 3 | other |
| algae → be → resistant | 8 |
| algae → become → resistant | 6 |
| negative | neutral | positive |
| 0.419 | 0.479 | 0.101 |
| Raw frequency | 14 |
| Normalized frequency | 0.380 |
| Modifier score | 0.500 |
| Perplexity | 403.192 |