Determine the topic of the question-answer pair. Question: "what is middle class in the us?"; Answer: "The American middle class is a social class in the United States ."? Topic:
----
Answer: American middle class

Q: Determine the topic of the question-answer pair. Question: "where is modesto california?"; Answer: "Modesto ( Spanish for "modest"), officially the City of Modesto, is the county seat and largest city of Stanislaus County , California , United States ."? Topic:
A: Modesto, California

Question: Determine the topic of the question-answer pair. Question: "what state is pike's peak in??"; Answer: "Pikes Peak State Park is a state park of Iowa , USA, featuring a bluff overlooking the Upper Mississippi River opposite the confluence of the Wisconsin River ."? Topic:
Answer: Pikes Peak State Park

[Q]: Determine the topic of the question-answer pair. Question: "What region of France is Montargis in??"; Answer: "The town is located about south of Paris and east of Orleans in the Gatinais ."? Topic:
****
[A]: Montargis

input: Please answer the following: Determine the topic of the question-answer pair. Question: "when does a demand curve shift??"; Answer: "In economics , the demand curve is the graph depicting the relationship between the price of a certain commodity and the amount of it that consumers are willing and able to purchase at that given price."? Topic:
++++++++++
output: Demand curve

Determine the topic of the question-answer pair. Question: "what is the disease osteonecrosis of the jaw??"; Answer: "Osteonecrosis of the jaws associated with bisphosphonate therapy, required by some cancer treatment regimens, has been identified and defined as a pathological entity since 2003."? Topic:
----
Answer:
Osteonecrosis of the jaw