| by overheating of the ventilator | 2 | cause |
| from the bunkering activities | 2 | other |
| often | 2 | temporal |
| fire → be → triggered | 11 |
| fire → be → activated | 8 |
| negative | neutral | positive |
| 0.477 | 0.480 | 0.042 |
| Raw frequency | 19 |
| Normalized frequency | 0.256 |
| Modifier score | 0.600 |
| Perplexity | 454.578 |