| Typicality: | 0.614 |
| Saliency: | 0.550 |
| for petrochemical manufacturing | 4 | purpose |
| primarily | 2 | degree |
| to make ethylene | 2 | purpose |
| ethane → be used as → feedstock | 4 |
| ethane → be → key feedstock | 3 |
| negative | neutral | positive |
| 0.126 | 0.782 | 0.091 |
| Raw frequency | 7 |
| Normalized frequency | 0.550 |
| Modifier score | 0.900 |
| Perplexity | 12.501 |