Teacher:In this task, you are given a context paragraph, a question based on that and corresponding answer of a question. Your task is to generate supporting fact/knowledge from context paragraph which helps in answering a given question.
Teacher: Now, understand the problem? Solve this instance: Megantereon was a genus of prehistoric machairodontine saber-toothed cat that lived in North America, Eurasia, and Africa. It may have been the ancestor of "Smilodon". Question: Before We Ruled The Earth featured what kind of cat? Answer: saber-toothed
Student:
Megantereon was a genus of prehistoric machairodontine sabertoothed cat that lived in North America, Eurasia, and Africa.