| Typicality: | 0.377 |
| Saliency: | 0.298 |
| to guide the catheter | 5 | purpose |
| catheter → use → x-ray imaging | 6 |
| catheter → use → an x-ray machine | 5 |
| catheter → use → special type of x-ray | 4 |
| catheter → use → x-ray pictures | 3 |
| negative | neutral | positive |
| 0.053 | 0.888 | 0.059 |
| Raw frequency | 18 |
| Normalized frequency | 0.298 |
| Modifier score | 0.500 |
| Perplexity | 109.377 |