You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
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Question: Sentence1: I'm leaving from Cambridge and going to Birmingham New Street. Sentence2: There appear to be hourly trains from 05:01 to 23:01. Do you know what day and time you'd like to travel? Sentence3: You are welcome. Have a great trip. Bye. Sentence4: Wednesday and it should leave after 18:00. Sentence5: Can you also direct me to some attractions in town in the east? Sentence6: Ok, I have booked you 3 seats on that train. Your reference number is MI5RMEHQ . You'll need to pay 225.3 GBP at the station. Anything else I can do? Sentence7: That sounds good. Can you book that for me for 3 people? Sentence8: I'm planning my trip there, but need to find a train for when I depart. Could you help me with that? Sentence9: The TR1766 leaves at 18:01 and arrives at Birmingham new street at 20:44. Would that be OK? Sentence10: The address is 5 greens road and the phone is 01223902168. Is there anything else that i can do for you? Sentence11: That would be perfect. Can you give me the address and the phone number? Sentence12: Sure. From where will you be departing, and what is your destination? Sentence13: No, that is all. Thanks for your help. Sentence14: Of course! There are several attractions in the east. I'd suggest Cambridge Artworks; it's a museum with free entrance. Would that work for you? Question: Who has spoken the sentence 3? (A) User (B) System

Answer: Answer: (B) System


Question: Sentence1: Can you check a swimming pool in the west of the city? Sentence2: Yes, there are no swimming pools located to the west of your city. Thank you, if you need help with anything else, contact us again. Sentence3: No thank you, that's all I needed. Sentence4: I have 3 hotels and 2 guesthouses in town centre. Would you like a cheap price range or expensive? Will you also need parking? Sentence5: Okay! Goodbye! Sentence6: I would prefer a guesthouse, and it does not need to include internet. Sentence7: If you change your mind and need a booking, we'll be here. Thanks for using our service! Sentence8: I'd prefer one in the same part of town as my hotel, are you sure there isn't one? Sentence9: We currently do not have any shown attraction in that area you are looking for. Are there any other further things I could assist with? Sentence10: Goodbye. And feel free to contact us if there's any other information you need, as well. Sentence11: The alexander bed and breakfast is a guesthouse in town centre in the cheap price range with a 4 star rating. Would you like to book a room? Sentence12: I am looking for a place to stay in the centre in Cambridge. Sentence13: I'm not showing a swimming pool in the East, but there are 2 in the North, will that work? Sentence14: I am also looking for an attraction, a swimming pool Question: Who has spoken the sentence 13? (A) User (B) System

Answer: Answer: (B) System


Question: Sentence1: Yes of course! I do apologize. The Reference number is : 29D8WR58 . The table will be reserved for 15 minutes. Can I assist with anything else? Sentence2: No, that should be everything. Thanks! Sentence3: No, thank you for being a great customer! Good bye. Sentence4: There are two in Cambridge. One in the south and one in the centre. Do you have a preference? Sentence5: I also need a taxi from the park to Nandos. Want to get there by 12:00. thanks Sentence6: I need a restaurant in the cheap price range that serves Portuguese food. Sentence7: I have booked a taxi for you. It will be a red Ford and the contact number is 07413433001. Is there anything else I can do for you? Sentence8: There is no entrance fee. Sentence9: I still need the reference number. Sentence10: Yes. Do you know anything about a place called Sheep's Green and Lammas Land Park Fen Causeway? Sentence11: What is their entrance fee? Sentence12: It does not make a difference as long as they have reservations for 4 on sunday at 12:00. Could I get a reference number? Sentence13: The address is fen causeway, newnham road. What else can I do for you? Sentence14: What is the full address for that park? Sentence15: It's a free park in the south. Would you like more details? Sentence16: Sure, i have booked Nandos sunday 12:00 for 4. May I help with anything else? Question: Who has spoken the sentence 15? (A) User (B) System

Answer:
Answer: (B) System