122266
Many of the fossils in the region date to the Pleistocene and include species such as Diprotodon optatum , the largest-ever marsupial .
 animal: Diprotodon optatum; animal: marsupial
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Diprotodon optatum, marsupial 
Answer:
 animal: Diprotodon optatum; animal: marsupial