In this task, you are given a text which is the body of a document. You are given a question and options. Pick the correct number. Don't generate anything else apart from the numbers provided in options.
Q: Context: Neolamprologus splendens is a species of cichlid endemic to Lake Tanganyika where it is only known to occur around Cape Zongwe in the Democratic Republic of the Congo. This species can reach a length of 8 centimetres (3.1 in) TL.
Question: The document can be classified to which topic?
Options: 1)Animal, 2)EducationalInstitution, 3)NaturalPlace, 4)OfficeHolder, 5)Film
A:
1