| in order to analyze the effect of catalyst | 2 | purpose |
| catalyst → be → discussed | 7 |
| catalyst → be → considered | 3 |
| catalyst → be → involved | 3 |
| negative | neutral | positive |
| 0.066 | 0.841 | 0.093 |
| Raw frequency | 13 |
| Normalized frequency | 0.343 |
| Modifier score | 0.000 |
| Perplexity | 256.979 |