Assertion: koala's chest gland | /r/HasProperty | functional
Facets:
Source sentences:
text: While the chest glands can be functional as early as 18 months of age, males do not begin scent-marking behaviours until they reach sexual maturity.
text: While the chest glands can be functional as early as 18 months of age, males do not begin scent-marking behaviours until they reach sexual maturity.