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 Susquehanna River /ˌsʌskwəˈhænə/ (Lenape: Siskëwahane) is a river located in the northeastern United States. At 464 miles (747 km) long it is the longest river on the American east coast that drains into the Atlantic Ocean*.
Question: The document can be classified to which topic? 
Options: 1)Album, 2)Athlete, 3)NaturalPlace, 4)OfficeHolder

A: 3
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Q: Context: The Winslow-Haskell Mansion also known locally as The Castle is a historic house at 53 Vista Avenue in Newton Massachusetts. The large Gothic Victorian house was built c. 1870 and enlarged and remodeled in 1882. The early construction included Gothic pointed-arch windows and vergeboard trim. Later work added Queen Anne styling including the three-story tower with polychrome roofing and cement-like wall surfacing. It has several ornately-decorated porches.
Question: The document can be classified to which topic? 
Options: 1)Album, 2)OfficeHolder, 3)Plant, 4)Building, 5)Athlete

A: 4
****
Q: Context: The Rochers de Gagnerie (2735 m) are a mountain of the Chablais Alps overlooking the Lac de Salanfe in the canton of Valais. They lie in the massif of the Dents du Midi forming a huge wall at the end of the Saint Barthélemy valley south-west of Mex.The mountain includes several secondary summits among which the sharp needle of La Vierge (2641 m).
Question: The document can be classified to which topic? 
Options: 1)NaturalPlace, 2)MeanOfTransportation, 3)Village, 4)Artist

A:
1
****