Detailed Instructions: 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.
Problem:Context: Grant Glacier is located in the US state of Montana in Flathead National Forest. The glacier is situated in a cirque and lies below the east slopes of Mount Grant (8590 feet (2620 m)). Grant Glacier is 1 mile (1.6 km) southeast of Stanton Glacier and both 5 miles (8.0 km) west of Glacier National Park (U.S.). Images taken of the glacier in 1902 and from the same vantage point in 1998 indicate that the glacier retreated substantially during the 20th Century.
Question: The document can be classified to which topic?
Options: 1)Village, 2)Plant, 3)NaturalPlace, 4)MeanOfTransportation, 5)EducationalInstitution
Solution:
3