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

Sentence1: No that's all. Thanks. Bye! Sentence2: Yes, that's right. Which of the 12 options would you recommend? Sentence3: Yes, would you try 2 nights instead, please? Sentence4: That's great. Please make a reservation for 1 on Monday. I'd like to stay 3 nights. Sentence5: Your booking was unsuccessful. Would you like another day or a shorter stay. Sentence6: Are they expensive? I would like something nice. And do they have free parking? Sentence7: Please check for something expensive first. If you don't see one, then we can come back to that. Sentence8: Booking was successful. Reference number is : JAKCI7JO . Is there anything else we can help you with today? Sentence9: How about Archway House? It's at 52 Gilbert Road cb43pe, and the phone number is 01223575314. Would that work for you? Sentence10: Yeah, that's fine. Oh, and I need free parking! Sentence11: There is the Acorn Guesthouse that is located in the north side of town. Would you like me to make a booking? Sentence12: I hope you have a great rest of the day. Sentence13: Can you tell me about a nice guest house in your city? I don't care how much it costs. Sentence14: They're a moderate guesthouse with free wifi and parking. Would you like to book a room? Sentence15: So to clarify, you need a guesthouse with free parking, and a moderate price range is acceptable? If so, I have 12 different options for you. Sentence16: It looks like all of the places in the expensive price range are hotels rather than guesthouses. Would you like to consider a different price range? Question: Who has spoken the sentence 11? (A) User (B) System
Answer: (B) System

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
Answer: (B) System

Sentence1: I'll be happy to help- but I need to know what region your hotel is in first. Sentence2: It was my pleasure. Have a good evening. Sentence3: I have about 44 different attractions in the centre of town. Lots of architecture, colleges, boating, cinemas, concerthalls, museums, nightclubs, swimming pools, and theatres. What interests you? Sentence4: I have made that reservation for you. Your reference number is K7HFUCR6 . Is there anything else I can help you with? Sentence5: I have no food preference, but I would prefer an expensive restaurant. Sentence6: Great Saint Mary's Church is located in Market Square, cb23pq and the entrance fee is 2 pounds. Would you like a booking? Sentence7: I am also looking for an attraction in the same area I will eat. Sentence8: I'm in the centre of town. Sentence9: I like great saint mary's church. Need some info on it? Sentence10: We have a lot of restaurants available in the city centre. Do you prefer a certain type of food? Sentence11: Yes. Please book for 7 people on Thursday at 12:30. Sentence12: The Bedouin is an African restaurant that offers a high quality experience. Would you be interested? Sentence13: Hi there. Real quick. Having a blast. I want a REALLY good restaurant not too far from my hotel. What do you have? Sentence14: Can you recommend a place? Sentence15: No thank you that will be all Sentence16: Yes, how much is the entrance fee for st. mary's church? Question: Who has spoken the sentence 7? (A) User (B) System

Answer: (B) System