input question: Determine the topic of the question. Question: "what is the @ sign called??" Topic:???
output answer: At sign

input question: Determine the topic of the question. Question: "where did the persian war take place?" Topic:???
output answer: Greco-Persian Wars

input question: Determine the topic of the question. Question: "what is in the alpine mountain systems?" Topic:???
output answer: Alps

input question: Determine the topic of the question. Question: "what school district is alvin in??" Topic:???
output answer:
Alvin Independent School District