| for less than a day | 4 | temporal |
| for 1-3 days | 3 | temporal |
| at any time of the year | 3 | temporal |
| female → be in → estrus | 34 |
| female → be in → estrous | 3 |
| negative | neutral | positive |
| 0.121 | 0.813 | 0.065 |
| Raw frequency | 37 |
| Normalized frequency | 0.452 |
| Modifier score | 0.800 |
| Perplexity | 111.527 |