Task: Text Categorization
Input (English): 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
Output (English): 2