Assertion: jack russell terrier | /r/HasProperty | tenacious
Facets:
Source sentences:
text: They are sturdy, tough, and tenacious, measuring between 10–15 inches (25–38 cm) at the withers, and weigh 14–18 pounds (6.4–8.2 kg).
text: Little dogs with a big attitude, Jack Russells are also tenacious and stubborn breeds that can be a handful to train.