| probably | 3 | degree |
| with few clinical signs | 3 | other |
| by ingesting infected food | 3 | manner |
| pig → be → infected | 52 |
| pig → become → infected | 23 |
| pig → cause → infection | 3 |
| negative | neutral | positive |
| 0.713 | 0.271 | 0.016 |
| Raw frequency | 78 |
| Normalized frequency | 0.680 |
| Modifier score | 0.711 |
| Perplexity | 384.674 |