| on a silica support | 3 | location |
| typically | 2 | degree |
| with nickel | 2 | other |
| catalyst → contain → tungsten | 3 |
| catalyst → comprise → tungsten oxide | 3 |
| negative | neutral | positive |
| 0.024 | 0.848 | 0.128 |
| Raw frequency | 6 |
| Normalized frequency | 0.162 |
| Modifier score | 0.900 |
| Perplexity | 64.891 |