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 Akaflieg München Mü9 is a tail-less light aircraft that was designed in Germany in 1932.
Question: The document can be classified to which topic? 
Options: 1)WrittenWork, 2)Album, 3)Company, 4)Building, 5)MeanOfTransportation

Ex Output:
5


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: The Journal of Pediatrics is a monthly peer-reviewed medical journal that covers all aspects of pediatrics. It was established in 1932 and is published by Elsevier. Although it was originally affiliated with the American Academy of Pediatrics it is currently associated with the Association of Medical School Pediatric Department Chairs.
Question: The document can be classified to which topic? 
Options: 1)Film, 2)Athlete, 3)Building, 4)WrittenWork

Ex Output:

4