| very | 6 | degree |
| for equipment | 4 | purpose |
| in clearing bottleneck in the lungs | 4 | transitive-object |
| lubricant → be → effective | 10 |
| lubricant → be → useful | 7 |
| lubricant → be → good | 4 |
| lubricant → be → great | 3 |
| negative | neutral | positive |
| 0.126 | 0.389 | 0.486 |
| Raw frequency | 24 |
| Normalized frequency | 0.602 |
| Modifier score | 1.000 |
| Perplexity | 171.614 |