Assertion: shepherd's dog | /r/CapableOf | hold the helper
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Source sentences:
text: Meanwhile Manfred was asking the helper to do the basic schutzhund courage test which is: the helper threatens the dog with a stick from a distance of about 30 feet then the helper turns and runs away from the dog and handler for about another 30 feet; after the dog is commanded by the handler to “get him” while the helper is still running away, the helper turns and runs at the dog again threatening him with the stick; the dog must bite the helper’s sleeve with no hesitation and hold the helper until he is told to release.