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.
--------
Question: 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

Answer: 4

Question: Context: Mitrudu (Telugu: ) is a 2009 Telugu film directed by Mahadev. Nandamuri Balakrishna plays the lead role with Priyamani playing the female Lead. Ranganath Chandra Mohan Brahmanandam Dharmavarapu Subramanyam Deepak Ali Krishna Bhagavan Venu Madhav are doing supporting roles in this film. Music of the film is by Mani Sarma.
Question: The document can be classified to which topic?
Options: 1)Athlete, 2)WrittenWork, 3)Artist, 4)Animal, 5)Film

Answer: 5

Question: Context: The name of Iowa- and Nebraska-based Hamilton College no longer exists. All seven campuses are now named Kaplan University.Hamilton College was the DBA name of the Iowa College Acquisition Corporation a company that owns and operates independent private for-profit colleges. Hamilton College had seven campuses in Iowa and Nebraska.
Question: The document can be classified to which topic?
Options: 1)EducationalInstitution, 2)Athlete, 3)NaturalPlace, 4)MeanOfTransportation

Answer:
1