| closely | 8 | degree |
| to perfecting advanced new industrial methods | 6 | cause |
| directly | 5 | manner |
| problem → be → linked | 57 |
| problem → be linked with → issue | 3 |
| negative | neutral | positive |
| 0.529 | 0.398 | 0.074 |
| Raw frequency | 60 |
| Normalized frequency | 0.354 |
| Modifier score | 0.829 |
| Perplexity | 135.743 |