| highly | 20 | degree |
| in converting electricity | 8 | other |
| in blocking out the noise | 7 | purpose |
| headphone → be → efficient | 29 |
| headphone → be → effective | 15 |
| headphone → be → employed | 3 |
| negative | neutral | positive |
| 0.045 | 0.211 | 0.744 |
| Raw frequency | 47 |
| Normalized frequency | 0.474 |
| Modifier score | 1.000 |
| Perplexity | 387.347 |