| from each other | 13 | other |
| from the environment | 12 | other |
| from one another | 10 | other |
| robot → can → learn | 145 |
| robot → be able to → learn | 56 |
| robot → could → learn | 16 |
| negative | neutral | positive |
| 0.079 | 0.522 | 0.399 |
| Raw frequency | 217 |
| Normalized frequency | 0.810 |
| Modifier score | 0.633 |
| Perplexity | 33.673 |