| Typicality: | 0.474 |
| Saliency: | 0.475 |
| to avoid obstacles | 7 | purpose |
| for obstacle detection | 4 | purpose |
| to search for humans | 3 | purpose |
| robot → use → ultrasonic sensors | 13 |
| robot → use → ultrasonic sensor | 8 |
| robot → use → ultrasonic | 7 |
| robot → be equipped with → ultrasonic sensors | 6 |
| robot → be equipped with → ultrasonic | 3 |
| negative | neutral | positive |
| 0.046 | 0.734 | 0.220 |
| Raw frequency | 37 |
| Normalized frequency | 0.475 |
| Modifier score | 0.567 |
| Perplexity | 116.796 |