| usually | 14 | degree |
| by taking a detailed medical history | 11 | manner |
| after studying previous sonograms | 10 | cause |
| doctor → can → determine | 425 |
| doctor → be able to → determine | 164 |
| doctor → could → determine | 19 |
| doctor → can → establish | 6 |
| negative | neutral | positive |
| 0.221 | 0.722 | 0.057 |
| Raw frequency | 614 |
| Normalized frequency | 0.812 |
| Modifier score | 0.594 |
| Perplexity | 243.363 |