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.

[EX Q]: Context: Philbertia alba is a species of sea snail a marine gastropod mollusk in the family Turridae.
Question: The document can be classified to which topic? 
Options: 1)Plant, 2)NaturalPlace, 3)EducationalInstitution, 4)Animal, 5)WrittenWork
[EX A]: 4

[EX Q]: Context: Methioeme brevipennis is a species of beetle in the family Cerambycidae the only species in the genus Methioeme.
Question: The document can be classified to which topic? 
Options: 1)Plant, 2)Animal, 3)Athlete, 4)MeanOfTransportation, 5)Village
[EX A]: 2

[EX Q]: Context: The Zuch was a Polish aerobatics and trainer aircraft built in 1948 in the LWD bureau and produced in a small series.
Question: The document can be classified to which topic? 
Options: 1)Animal, 2)OfficeHolder, 3)MeanOfTransportation, 4)Building
[EX A]:
3