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

[Q]: Sentence1: The TR1156 leaves at 15:16. Will that work for you? Sentence2: There are 13 colleges in the centre of town. Would you prefer a college without an entrance fee? Sentence3: Yes can I have an arrival time please? Sentence4: I need a train on Saturday after 14:30. Sentence5: I need to travel to Norwich from Cambridge after 14:30. Sentence6: Okay thank you for your help. Sentence7: I'm looking for a place to in the centre, perhaps a college. Sentence8: No preference. Can you make a recommendation and give me the address, phone number, and entrance fee? Sentence9: The arrival time is 16:35. Sentence10: Thank you for using Cambridge TownInfo Centre. Sentence11: Where are you leaving from and traveling to? Sentence12: christ's college is great. the address is st andrews st, free entrance & their number is 01223334900, anything else? Question: Who has spoken the sentence 1? (A) User (B) System
[A]: Answer: (B) System


[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


[Q]: Sentence1: Booking has been completed! Your reference# is D6V5M769 . The total is 79.67 GBP, payable at the station. Can I help you with anything else? Sentence2: Is there a reference number for the hotel? I also need a train to london liverpool street. Can you help with that too? Sentence3: Yes please, for 6 people. Sentence4: I'm planning a trip with an Arthurian theme. I've heard there's a hotel called Avalon there in Cambridge. Is that right? Sentence5: Actually, can you book 6 people for 3 nights starting on wednesday? Sentence6: Your Reference number is : EHNOQL7E . I can help with the train as well. Can you give me a little more information on your trip? Sentence7: You are welcome. Have a nice time in Cambridge. Bye. Sentence8: You're all booked. Sentence9: Yes there is a guesthouse called avalon. Would you like any more information on that? Sentence10: That's all I need for today. Thanks! Sentence11: I need to get to liverpool st on saturday, but I can't leave cambridge until after 13:45 Sentence12: TR4466 leaves at 13:59 and arrives at 15:27. Would you like me to book it? Question: Who has spoken the sentence 11? (A) User (B) System
[A]:
Answer: (B) System