Assertion: ferret's length | /r/HasProperty | around 20 inches
Facets:
Source sentences:
text: The length of Ferrets is around 20 inches or 51 cm and the weigh reaches 1.5–4 pounds or 0.7–2 kg.
text: Ferrets have an average length around 20 inches and the tail around 5.1 inches.
text: They are longer in body length as compared to the weasels; they have an average length around 20 inches and the tail around 5.1 inches.
text: Contrary to this, ferrets have an average length around 20 inches and the tail around 5.1 inches.