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

Sentence1: I am not looking for British, I am looking for scottish food. Sentence2: I am looking for something in centre of town then Sentence3: I'm sorry but there are no moderately priced Scottish restaurants in town. Would you like a different type of food? Sentence4: I've booked your reservation. Is there anything else you need? Sentence5: Yes I have many moderately priced venues in the center of town serving British food if you like. Sentence6: I am looking for a moderately priced Scottish restaurant Sentence7: I'm so sorry but it seems that I don't show any that will suit what you are looking for. Would you like to try a different price range or type? Sentence8: There is la tasca. They are located at 14 -16 Bridge Street. Would you like to book it? Sentence9: Can I have a reference number please? Sentence10: Thank you too, good bye. Sentence11: Thank you. Have a lovely day. Sentence12: Yes, it's XXNQ81IE . Sentence13: Yes, Could you look for a Spanish restaurant instead? Sentence14: Yes please. Could you give me a table for tuesday at 12:00 for 2 people please. Question: Who has spoken the sentence 12? (A) User (B) System
Answer: (A) User

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: Is there any train to stevenage that leaves after 15:45? Sentence2: Booking was successful. The table will be reserved for 15 minutes. Reference number is : 2Q3DVUFC . Anything else I can do for you? Sentence3: TR4216 leaves at 17:21. Does that work for you? Sentence4: riverside brasserie serves modern european food. Would you like me to book seats? Sentence5: yes, please. 8 people at 12:00 on saturday. Sentence6: No that's all for today, thank you. Sentence7: What day would you like the train for? Sentence8: I will be travelling from Cambridge on Saturday, Sentence9: The train will arrive by 18:10 Sentence10: I'd like a modern european restaurant. Sentence11: What time will it arrive? Sentence12: Thank you for calling. If you need additional assistance, please feel free to call again. Have a great time in Cambridge! Goodbye. Sentence13: Thanks! I'm also looking for a place to eat in the centre if you don't mind. Sentence14: There are lots to choose from. First, may I ask if you have a certain type of cuisine you are looking for? Question: Who has spoken the sentence 7? (A) User (B) System

Answer: (B) System