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: Mount Tekari ( Tekari-dake) is part of the Akaishi Mountains on the border of Shizuoka and Nagano prefectures in Japan. It is the southernmost mountain in the Akaishi Mountains and the southernmost mountain over 2500 metres (8202 ft) in Japan.
Question: The document can be classified to which topic?
Options: 1)OfficeHolder, 2)WrittenWork, 3)MeanOfTransportation, 4)NaturalPlace, 5)Building
A:
4