You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

[EX Q]: Sentence1: I sure can. I found a 3 star hotel and a 4 star hotel. Do you have a preference? Sentence2: Great, thank you for your help. Sentence3: Thank you , good day to you. Sentence4: You are very welcome! Is there anything else I can help you with? Sentence5: How about the Gonville Hotel located in the centre of town is in the expensive price range? Sentence6: Good afternoon, can you help me find an expensive place to stay in the town centre? Sentence7: It should be a hotel type hotel not a guesthouse Sentence8: Yes, that sounds good. Could you reserve a room for 5 people checking in on Saturday? I think we'll stay for 3 nights. Sentence9: Booking was successful. Reference number is : KRJNYV0Q . Sentence10: No, that will be all. Thank you. Question: Who has spoken the sentence 6? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: That is all I need for today. thank you. Goodbye. Sentence2: I have 7 available. The first leaves at 17:32, and arrives at 18:32. Would you like me to book that for you? Sentence3: I'll be departing from Broxbourne and I'd like to go to Cambridge. Sentence4: I'm not looking to book at the moment, can I just get the train ID? Thanks! Sentence5: Okay glad I could help. Enjoy your trip. Sentence6: I'd like to find a train that leaves after 17:00 on Saturday. Sentence7: Of course! TR0811 leaves at 17:32, arrives at 18:32, with a duration of 60 minutes. The price is 14.32 pounds. May I assist you with anything else? Sentence8: Absolutely, I need departure and destination information and a time you need to arrive by. Question: Who has spoken the sentence 7? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: The address is 15 Magdalene Street City Centre and the phone number is 01223 315232. Sentence2: I am looking for a restaurant that serves Australian food and in the cheap price range. Sentence3: Thank you. Goodbye. Sentence4: I'm sorry, there are no restaurants that serve australian food. Sentence5: Can I get the address and phone number? Sentence6: do you have some places that serve italian ? Sentence7: Okay, perfect. Thank you very much. Sentence8: la margherita seems to fit your request. Question: Who has spoken the sentence 5? (A) User (B) System
[EX A]:
Answer: (B) System