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

[Q]: Sentence1: Nothing in particular. Any recommendations? Sentence2: Yes, please coming in on monday for 5 nights for 3 people. Sentence3: We have amazing various of attractions in the centre area! What type of attraction are you looking for? Sentence4: I booked it for you. Your reference number is as follows: 5MM5C3UC . Is there anything else I can assist you with today? Sentence5: Any area is fine are there any with a 3 star rating? I don't need free parking or internet. Sentence6: Let me suggest the Museum of Archaeology and Anthropology. Their admission is free and the phone number is 01223333516. Sentence7: Would you like me to book it for you? Sentence8: Happy to help! Have a good trip! Sentence9: I have many moderate priced hotels available. What part of town would you prefer? Sentence10: alpha-milton guest house is in the north. Would you like me to book you a room? Sentence11: Can you book it for me and get a reference number ? Sentence12: i need a good place to go in the centre Sentence13: That will be all, thanks! Sentence14: I also need a moderate priced place to stay. Question: Who has spoken the sentence 7? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Are there any that serve north american food? Sentence2: yes. please book for me a table for thee tommorow diner at 8 pm Sentence3: There phone number is 01223312598. Is there anything else I can assist you with? Sentence4: Yes, there is gourmet burger kitchen. It is an expensive restaurant. Would you like me to book it for you? Sentence5: Yes, the University Arms Hotel is located in the centre area and is on Regent Street. Would you like me to book a room for you? Sentence6: Okay can you also help me with a restaurant that serves Cantonese food in the city center? Sentence7: I just need their phone number. Sentence8: I need information on the university arms hotel. Sentence9: No I am good for now, thanks for all of your help. Sentence10: I need more info. Does the hotel have free parking and what is the price range? Sentence11: There aren't any restaurants in the city centre that serves Cantonese food. Would you like to try a different type of cuisine or try a different area? Sentence12: Thank you for contacting us and have a nice day. Sentence13: You asked about a hotel. Would you like to book a room or would you like me to help find a restaurant? Sentence14: It is in the expensive price range, but it does have free internet and free parking. Question: Who has spoken the sentence 9? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Try booking the bridge house please. Sentence2: I have 14 entries, would you like it to have free parking? Sentence3: I have booked the Hamilton Lodge for you. Starting on Saturday for 2 nights for 7 people. Your reference number is 63GDBABK . Is there anything else I can do for you? Sentence4: Yes please if it's in the same price range. Sentence5: I have 32 hotels with free wifi. Is there a specific part of town you would like to stay in? Sentence6: Okay great. That is all I need. Sentence7: I have the bridge house south area, the hamilton lodge in the north and hobsons house in the west. Which one would you like me to book? Sentence8: I would like 3 stars or higher please Sentence9: I'm sorry, that one is unavailable. Would you like to try another? Sentence10: So glad I could help. Have a great day! Good-Bye! Sentence11: I have the Hamilton Lodge in the north, would you like me to book that one? Sentence12: No, it just needs to be in the moderate price range. I prefer guesthouses. Sentence13: Yes, please. And I will need the reference number. Sentence14: Is there a star rating you would prefer to stay at Sentence15: That does not matter. What ones have availability for 7 people for 2 nights starting on Saturday? Sentence16: I am looking for a place to stay with free wifi. Question: Who has spoken the sentence 2? (A) User (B) System
[A]:
Answer: (A) User