Assertion: ferret | /r/HasProperty | prone
Facets:
value: by this age
type: TEMPORAL
Source sentences:
text: They are also accident prone, will often eat things they shouldn’t and will need ideally half-yearly health checks with their Vet.
text: After 5 years of age, ferrets ideally should be checked every 6 months, as they tend to develop several of the diseases they are prone to by this age.