input: Please answer the following: Determine the topic of the question. Question: "what are add ons?" Topic:
++++++++++
output: Add-on

input: Please answer the following: Determine the topic of the question. Question: "how many US soldiers killed in Iraq war?" Topic:
++++++++++
output: Casualties of the Iraq War

input: Please answer the following: Determine the topic of the question. Question: "where is shropshire, uk?" Topic:
++++++++++
output: Shropshire

input: Please answer the following: Determine the topic of the question. Question: "how does a dredge work??" Topic:
++++++++++
output:
Dredging