| possibly | 3 | degree |
| often | 2 | temporal |
| stomach → cause → heartburn | 30 |
| stomach → lead to → heartburn | 12 |
| stomach → cause → the sensation of heartburn | 9 |
| stomach → result in → heartburn | 9 |
| stomach → extend to → heartburn | 4 |
| negative | neutral | positive |
| 0.874 | 0.116 | 0.010 |
| Raw frequency | 64 |
| Normalized frequency | 0.631 |
| Modifier score | 0.600 |
| Perplexity | 232.729 |