| for cessation of the trial | 9 | purpose |
| by stopping smoking | 6 | manner |
| mainly | 2 | degree |
| effect → be → caused | 21 |
| effect → can → cause | 20 |
| effect → be → cause | 10 |
| negative | neutral | positive |
| 0.613 | 0.355 | 0.032 |
| Raw frequency | 51 |
| Normalized frequency | 0.481 |
| Modifier score | 0.575 |
| Perplexity | 198.788 |