102426
It is estimated that two-thirds of all mammal genera and one-half of all mammal species weighing at least have gone extinct in the last 50,000 years .
 animal: mammal
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: mammal 
Answer:
 animal: mammal