Assertion: mule | /r/HasProperty | labeled stubborn
Facets:
value: for centuries
type: TEMPORAL
Source sentences:
text: Donkeys and mules have been labeled “stubborn” for centuries, but it is really only an abundance of common sense and a strong desire for self-preservation that might make them inclined to resist.
text: This is a delicate topic, because the true mule aficionado will take instant and serious umbrage when mules are classified as stubborn brutes, while the person who has had only slight and passing contact with them will declare that the term is accurate.