Question: Do Koalas prefer Eucalyptus over meat?, Answer:Yes, Description of Koala: An arboreal herbivorous marsupial native to Australia., Fact1: Koalas are herbivores., Fact2: Koalas main dietary staple is eucalyptus 
Step1: What kind of diet do Koalas follow?, Step2: Are Eucalyptus part of #1?, Wikipedia page for step 1: Koalas , Wikipedia page for step 2: Eucalyptus , not_definitive_answer: False, incorrect_answer: False