Q: Determine the topic of the question. Question: "what are the different types of cross country skiing?" Topic:
A: Cross-country skiing

Q: Determine the topic of the question. Question: "what does Mazel tov! mean?" Topic:
A: Mazel tov

Q: Determine the topic of the question. Question: "what is the lowest temperature ever recorded in antarctica?" Topic:
A: Climate of Antarctica

Q: Determine the topic of the question. Question: "when does a demand curve shift??" Topic:
A:
Demand curve