Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: Thank you for the help, that's all I need. Sentence2: Unfortunately there are none on the north side of town that fit your criteria. Would you like me to look in another part of the city? Sentence3: I have Ashley Hotel or Lovell Lodge on the North side of town. They both have free wifi and parking. Can I book one of those for you? Sentence4: No thank you. Sentence5: Do either of those have 4 star ratings? Sentence6: You're welcome. Have a nice stay! Sentence7: Kirkwood house is a moderately priced hotel and its address is 172 chesterton road, cb41da. Sentence8: What is Kirkwood House's address, postcode, and price range? Sentence9: I have 5 hotels that meet your needs 2 are moderately priced and 3 are expensive. Do you have a preference? Sentence10: Is there any with a 4 star rating and includes free wifi? Sentence11: No, I'm sorry. There are several guesthouses with 4 stars. Kirkwood House is in the north and has fee parking and WiFi. Can I reserve a room? Sentence12: A hotel in the north with free parking, please. Question: Who has spoken the sentence 6? (A) User (B) System
A:
Answer: (A) User