| for a long time | 13 | temporal |
| no longer | 12 | temporal |
| economically | 10 | degree |
| method → be → viable | 115 |
| method → be → viable way | 5 |
| method → be → viable solution | 4 |
| negative | neutral | positive |
| 0.130 | 0.433 | 0.437 |
| Raw frequency | 124 |
| Normalized frequency | 0.450 |
| Modifier score | 0.689 |
| Perplexity | 283.854 |