| for the patient | 3 | transitive-object |
| completely | 2 | degree |
| for drinking | 2 | purpose |
| tube → be → safe | 26 |
| tube → provide for → safety | 6 |
| tube → ensure → safety | 3 |
| negative | neutral | positive |
| 0.111 | 0.455 | 0.434 |
| Raw frequency | 35 |
| Normalized frequency | 0.458 |
| Modifier score | 0.500 |
| Perplexity | 305.243 |