Question: Have rhinoceroses been killed to improve human sex lives?, Answer:Yes, Description of Rhinoceros: family of mammals, Fact1: Rhinoceros horns are used for folk treatment of sexual impotency., Fact2: Rhinoceroses are killed to remove their horns.
Step1: Which part of the Rhinoceros do most poachers hunt and kill it for?, Step2: What are some common traditional uses of #1?, Step3: Is treatment of sexual impotency included in #2?, Wikipedia page for step 1: Rhinoceros, Wikipedia page for step 2: Rhinoceros, Wikipedia page for step 3: , not_definitive_answer: False, incorrect_answer: False