| Typicality: | 0.557 |
| Saliency: | 0.720 |
| to prevent heart attacks | 9 | purpose |
| in people | 8 | location |
| with atrial fibrillation | 5 | other |
| warfarin → prevent → stroke | 16 |
| warfarin → be used to prevent → stroke | 14 |
| warfarin → be used for → stroke prevention | 3 |
| negative | neutral | positive |
| 0.223 | 0.652 | 0.125 |
| Raw frequency | 33 |
| Normalized frequency | 0.720 |
| Modifier score | 0.500 |
| Perplexity | 51.470 |