Assertion: male mule | /r/HasProperty | sterile
Facets:
Source sentences:
text: (Male mules should also be castrated , since they are sterile.
text: Male mules should be gelded, not left as stallions, since they don’t know they are sterile and will behave as a breeding stallion.
text: They are sterile, but they don’t know that.
text: (Male mules should also be castrated, since they are sterile.