| to colourless | 3 | other |
| with an opaque zone | 2 | other |
| on macconkey agar | 2 | location |
| colony → be → pink | 20 |
| colony → be → light pink | 3 |
| negative | neutral | positive |
| 0.060 | 0.709 | 0.231 |
| Raw frequency | 23 |
| Normalized frequency | 0.467 |
| Modifier score | 0.800 |
| Perplexity | 159.593 |