Question: George and Martha is about a pair of animals that are typically native to what area?
Sentence (from "Hippopotamus"): The common hippopotamus ("Hippopotamus amphibius"), or hippo, is a large, mostly herbivorous and aggressive mammal in sub-Saharan Africa, and one of only two extant species in the family Hippopotamidae, the other being the pygmy hippopotamus ("Choeropsis liberiensis" or "Hexaprotodon liberiensis").
Relevant evidence: Yes