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

Q: Sentence1: Booking was successful. Your reference number is : 1F0GOZ1D . Sentence2: Can you try 4 nights instead? Sentence3: I recommen a and b guest house. Should I book that? Sentence4: We have 6 total guesthouses in the east, any more preferences? Sentence5: Not particularly. Do you have one you would recommend? Sentence6: Yes, I would like free wifi and a 4 star rating. Sentence7: I'm looking for a guesthouse in the east please. Sentence8: funky fun house would be nice for you Sentence9: Great, could I also find someplace near the hotel to go for fun? Sentence10: Unfortunately there are no rooms available for Wednesday in the East. Could I look at a different location or day? Sentence11: please, For 2 people for 5 nights starting on Wednesday Sentence12: I have six places, is there a price range you have in mind? Question: Who has spoken the sentence 6? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: Limehouse for 1 person, 3 nights and starting on Sunday. Sentence2: Yes, of course. How many people are in your party? Sentence3: What area of town would be your preference? Sentence4: The range does not matter. Just the Indian place you think best. Sentence5: Yes what area are you looking to dine in? Sentence6: You're welcome, glad I could help. Sentence7: Is that a guesthouse? Sentence8: Thank you. I am also looking for a place to stay. It doesn't need internet and should be moderately priced. Sentence9: I would recommend the The Golden Curry. Would you like to make a reservation? Sentence10: That's okay. How about Indian? Sentence11: I sure can. What type of restaurant are you looking for? Sentence12: Thank you for all your help. Have a great day. Sentence13: I'm looking for Cuban food. Sentence14: It is a guesthouse. Would you still like me to book it? Sentence15: I don't have a preference. What would you recommend? Sentence16: There are no Cuban restaurants unfortunately. Sentence17: Yes, let's make it for 1 person at 19:45 on sunday. Sentence18: Yes, I love guesthouses when I travel alone. Can you book it for three nights please, starting on Sunday. Sentence19: I'd recommend the Limehouse, it's in the north and has 4 stars. Would you like me to book a reservation? Sentence20: Your reservation is successful, they'll hold the table for you for 15 minutes. Reference number is 6CVKLM3F . What else can I help you with? Sentence21: In the Centre as well please. Sentence22: I have 9 restaurants available. What price range would you prefer? Sentence23: Would you be so kind as to help me find a place to dine later? Sentence24: Booking was successful. Reference number is : 2VEHCBYQ . Question: Who has spoken the sentence 13? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: There is one leaving at 21:29 and arriving at 22:07, TR4863. Would you like me to book it? Sentence2: Yes. The address is 20 Milton Road, Chesterton. So that I can reserve a table, how many will be in your party? Sentence3: One in my party. I'm also looking for a train to get to bishops stortford, can you help me with that too? Sentence4: What day and time would you like travel? Sentence5: Yes, I found one located in the centre of town called The River Bar Steakhouse and Grill. Would you like more information? Sentence6: I would like to leave Wednesday after 20:00. Sentence7: I don't need a reservation for the restaurant. I need to find a train from cambridge to bishops stortford. Sentence8: Thank you for contacting Cambridge TownInfo centre. I hope you have a pleasant trip! Goodbye! Sentence9: Hello are there any cheap European restaurants in town? Sentence10: Is there a time you would like to arrive by? Sentence11: Is there anything in the north part of town? Sentence12: Yes I would like to reserve a table there. May I have the address please? Sentence13: Can you look for Italian food instead? Sentence14: What time would you like your reservation to be? Sentence15: I'd be happy to reserve your table; what day and time will you be dining? Sentence16: Nothing of that criteria in the area. Shall I try again with another criteria? Sentence17: I will be leaving cambridge on wednesday after 20:00 to bishops stortford. Sentence18: No, I got all that I need. Goodbye. Sentence19: No. Please send me the Train ID and arrival time. Sentence20: I have the Da Vinci Pizzeria in the north. It is a cheap restaurant. Can I reserve you a table? Question: Who has spoken the sentence 12? (A) User (B) System

A:
Answer: (A) User
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