Assertion: tibetan mastiff's puppy | /r/HasProperty | 4 to 5 weeks old
Facets:
Source sentences:
text: Additionally, Tibetan Mastiffs can be prone to lingering pupillary membranes, strands of nutrient providing tissue that normally disappears when a puppy is 4 to 5 weeks old.
text: Additionally, Tibetan Mastiffs can be prone to lingering pupillary membranes, strands of nutrient providing tissue that normally disappears when a puppy is 4 to 5 weeks old.