| often | 6 | degree |
| quite | 5 | degree |
| with the catalytic steam reforming process | 5 | other |
| process → be → ambiguous | 35 |
| process → be → confused | 19 |
| process → include → confusion | 4 |
| process → be → confusion | 4 |
| negative | neutral | positive |
| 0.466 | 0.443 | 0.091 |
| Raw frequency | 62 |
| Normalized frequency | 0.374 |
| Modifier score | 0.600 |
| Perplexity | 155.978 |