| to heroin | 2 | transitive-object |
| to other tobacco products | 2 | transitive-object |
| nicotine → cause → addiction | 7 |
| nicotine → cause → physical and psychological dependency | 3 |
| negative | neutral | positive |
| 0.849 | 0.145 | 0.006 |
| Raw frequency | 10 |
| Normalized frequency | 0.271 |
| Modifier score | 0.500 |
| Perplexity | 71.057 |