| out of reach of predators | 6 | other |
| safely | 5 | manner |
| behind | 3 | location |
| bird → can → perch | 31 |
| bird → be able to → perch | 8 |
| bird → could → perch | 5 |
| negative | neutral | positive |
| 0.107 | 0.570 | 0.324 |
| Raw frequency | 44 |
| Normalized frequency | 0.484 |
| Modifier score | 0.700 |
| Perplexity | 195.996 |