Task: Text Categorization
Input (English): Context: The painted tree-rat (Callistomys pictus) is a species of spiny rat from Brazil and is the only species in the genus Callistomys. It appears to lack close relatives and is often placed in the genus Isothrix or less regularly Nelomys.
Question: The document can be classified to which topic? 
Options: 1)Artist, 2)Building, 3)MeanOfTransportation, 4)Animal, 5)Plant
Output (English): 4