Assertion: mastiff's owner | /r/HasProperty | strong leader
Facets:
value: in order to keep the mastiff
type: PURPOSE
Source sentences:
text: Pyrenean Mastiffs are very easy to train, and as long as they recognize that their owner is a strong leader, they will be very obedient dogs.
text: The owner of this dog breed should be a strong and confident leader in order to keep the Mastiff from becoming spoiled and pushy.