input question: Determine the topic of the question. Question: "when does v start?" Topic:???
output answer: V (2009 TV series)

input question: Determine the topic of the question. Question: "where is the Rhine river located on a map?" Topic:???
output answer: Rhine

input question: Determine the topic of the question. Question: "how is ASP.NET different from .NET?" Topic:???
output answer: ASP.NET

input question: Determine the topic of the question. Question: "what type of batteries are 357 (LR44)?" Topic:???
output answer:
LR44 battery