Detailed Instructions: 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 Continental Copters El Tomcat was a 1950s American single-seat agricultural helicopter converted from a Bell 47G by Continental Copters of Fort Worth Texas. The first helicopter (the El Tomcat II) first flew in 1959 and was followed by a number of variants.
Question: The document can be classified to which topic?
Options: 1)Animal, 2)MeanOfTransportation, 3)Village, 4)Film
A:
2