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: Lake Lagunitas is a reservoir on Lagunitas Creek in Marin County California.It is one of seven reservoirs providing potable water to the Marin Municipal Water District. Built in 1873 it is the oldest and smallest lake in the Mount Tamalpais watershed.[citation needed]
Question: The document can be classified to which topic? 
Options: 1)WrittenWork, 2)Animal, 3)Company, 4)NaturalPlace
[EX A]: 4

[EX Q]: Context: Bache Hill is a subsidiary summit of Rhos Fawr or Great Rhos in the Radnor Forest in Wales. It is located to the east of Black Mixen. The summit is marked by a trig point built on an ancient burial mound. Some controversy arises from the burial mound; in that 610 metres might be the top of the man-made mound. Some walkers therefore doubt Bache Hill's 2000-foot status. However the latest OS Explorer Maps shows a large 610-metre contour round the summit.
Question: The document can be classified to which topic? 
Options: 1)Album, 2)Film, 3)NaturalPlace, 4)EducationalInstitution, 5)Building
[EX A]: 3

[EX Q]: Context: Hot Summer Days (simplified Chinese: 全城热恋热辣辣; traditional Chinese: 全城熱戀熱辣辣; Mandarin Pinyin: Chuán Chéng Rè Liàn Rè Là Là; Jyutping: Cyun4 Sing4 Jit6 Lyun2 Jit6 Lat6 Lat6) is a 2010 Hong Kong romantic comedy film featuring an ensemble cast including Nicholas Tse Jacky Cheung Daniel Wu Vivian Hsu Barbie Hsu René Liu Angelababy and William Chan and also featuring a guest appearance by Maggie Cheung. It was released to celebrate both Chinese New Year and Valentine's Day.
Question: The document can be classified to which topic? 
Options: 1)Company, 2)Artist, 3)Athlete, 4)WrittenWork, 5)Film
[EX A]:
5