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 Input:
Context: The FS E.645 and E.646 are two classes of similar electric locomotives used on Italian railways. They were introduced during the 1950s and they have been retired in 2009.
Question: The document can be classified to which topic?
Options: 1)WrittenWork, 2)Athlete, 3)Plant, 4)MeanOfTransportation

Ex Output:
4

Ex Input:
Context: Emporia High School is a fully accredited public high school located in Emporia Kansas serving students in grades 9-12. Emporia has an enrollment of approximately 1400 students and a teaching staff of 130. It is the only public high school within the city of Emporia. The principal is Scott Sheldon. The school mascot is the Spartan and the school colors are red and black.Emporia High was established in the early 1900s in order to help educate the increasing population of Emporia.
Question: The document can be classified to which topic?
Options: 1)Artist, 2)EducationalInstitution, 3)Plant, 4)Film

Ex Output:
2

Ex Input:
Context: Worlds Away is the debut album by Strange Advance released November 1982. It featured two hit Canadian singles She Controls Me and Kiss in the Dark. Strange Advance was subsequently nominated for a Juno Award for Most Promising Group of the Year in 1983.The 7 single for She Controls Me contains a b-side track called Lost in Your Eyes which was later released on the Over 60 Minutes with...
Question: The document can be classified to which topic?
Options: 1)Plant, 2)NaturalPlace, 3)Athlete, 4)EducationalInstitution, 5)Album

Ex Output:
5