| Typicality: | 0.401 |
| Saliency: | 0.353 |
| antibiotic → be introduced in → the medial of 20th century | 11 |
| antibiotic → be introduced in → the midriff of 20th century | 5 |
| antibiotic → be introduced in → the middle of 20th century | 4 |
| antibiotic → be introduced in → the centre of 20th century | 3 |
| negative | neutral | positive |
| 0.249 | 0.511 | 0.240 |
| Raw frequency | 23 |
| Normalized frequency | 0.353 |
| Modifier score | 0.500 |
| Perplexity | 48.170 |