| from the top of the tank | 6 | location |
| readily | 5 | manner |
| via the esophagus | 5 | manner |
| tube → be → inserted | 242 |
| tube → be inserted into → vessel | 6 |
| tube → be placed in → this procedure | 3 |
| negative | neutral | positive |
| 0.246 | 0.695 | 0.060 |
| Raw frequency | 251 |
| Normalized frequency | 0.825 |
| Modifier score | 0.920 |
| Perplexity | 448.999 |