Question: Determine the topic of the question-answer pair. Question: "how much are the harry potter movies worth?";  Answer: "The series also originated much tie-in merchandise, making the Harry Potter brand worth in excess of $15 billion."? Topic:
Answer: Harry Potter

Question: Determine the topic of the question-answer pair. Question: "what area code is 810?";  Answer: "Area code 810 is the telephone area code serving eastern Michigan ."? Topic:
Answer: Area code 810

Question: Determine the topic of the question-answer pair. Question: "What is the disk defragmenter tool?";  Answer: "In the maintenance of file systems , defragmentation is a process that reduces the amount of fragmentation ."? Topic:
Answer:
Defragmentation