| Typicality: | 0.400 |
| Saliency: | 0.351 |
| into the heart | 7 | transitive-object |
| during ventricular contraction | 3 | temporal |
| within the blood vessels | 3 | location |
| valve → prevent → backflow of blood | 12 |
| valve → prevent → back flow of blood | 10 |
| valve → prevent → the backflow of blood | 9 |
| negative | neutral | positive |
| 0.229 | 0.701 | 0.069 |
| Raw frequency | 31 |
| Normalized frequency | 0.351 |
| Modifier score | 0.500 |
| Perplexity | 155.382 |