Task: Text Categorization
Input (English): Context: Pentacalia riotintis is a species of flowering plant in the Asteraceae family.It is found only in Ecuador.Its natural habitat is subtropical or tropical moist montane forests.It is threatened by habitat loss.
Question: The document can be classified to which topic? 
Options: 1)Plant, 2)Building, 3)NaturalPlace, 4)OfficeHolder
Output (English): 1