Assertion: billy's dog | /r/CapableOf | exhibit his surprising dexterity
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text: The dog BILLY, of rat-killing notoriety, on the evening of the 13th instant, again exhibited his surprising dexterity; he was wagered to kill one hundred rats within twelve minutes; but six minutes and 25 seconds only elapsed, when every rat lay stretched on the gory plain, without the least symptom of life appearing.'