| from cuttings | 6 | other |
| in the spring of 1921 | 4 | temporal |
| by 2019 | 3 | temporal |
| new plant → be → started | 10 |
| new plant → begin → operation | 8 |
| new plant → start → operation | 4 |
| negative | neutral | positive |
| 0.044 | 0.723 | 0.233 |
| Raw frequency | 22 |
| Normalized frequency | 0.713 |
| Modifier score | 0.500 |
| Perplexity | 188.661 |