| for a blood meal | 3 | purpose |
| immediately | 2 | manner |
| flea → find → host | 10 |
| flea → look for → new host | 4 |
| flea → look for → host | 4 |
| flea → find → suitable host | 3 |
| negative | neutral | positive |
| 0.201 | 0.637 | 0.162 |
| Raw frequency | 21 |
| Normalized frequency | 0.580 |
| Modifier score | 0.500 |
| Perplexity | 165.020 |