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: St Ceinwen's Church Cerrigceinwen is a former parish church in the countryside of central Anglesey north Wales. The present building dates from 1860 although the site has been used for worship since at least the 7th century. The doorway reuses some old carved gravestones one from the 9th to 11th centuries and another from the 12th century. The church grounds contain a well once thought to have healing properties.
Question: The document can be classified to which topic? 
Options: 1)Animal, 2)Film, 3)Building, 4)WrittenWork, 5)OfficeHolder

Answer: 3


Question: Context: The Ultramarine Kingfisher (Todiramphus leucopygius) is a species of bird in the Alcedinidae family.It is found in Papua New Guinea and Solomon Islands.Its natural habitat is subtropical or tropical moist lowland forests.
Question: The document can be classified to which topic? 
Options: 1)Animal, 2)WrittenWork, 3)EducationalInstitution, 4)MeanOfTransportation

Answer:
1