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: The Potez 32 and its military version the Potez 33 was a single-engine French monoplane transport built by Potez and based on the 29 biplane.
Question: The document can be classified to which topic?
Options: 1)Company, 2)WrittenWork, 3)EducationalInstitution, 4)MeanOfTransportation, 5)Album
A:
4