| to its existing infrastructure | 6 | other |
| previously | 2 | temporal |
| last year | 2 | temporal |
| plant → be → upgraded | 31 |
| plant → require → upgrade | 4 |
| negative | neutral | positive |
| 0.114 | 0.628 | 0.259 |
| Raw frequency | 35 |
| Normalized frequency | 0.406 |
| Modifier score | 1.000 |
| Perplexity | 368.183 |