context: There are five species that can be grouped into three groups. Two African species, white rhinoceros and black rhinoceros) emerged about 5 million years ago. The main difference between a white horse and a black horse is the structure of their mouths. The white rhinoceros has a wide mouth for eating grass while the mouth of a black horse is moderately thick.
question: What two species of T rhino are found in Africa?
answers.text: white rhinoceros and black rhinoceros