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

Sentence1: It looks like there are hourly trains starting at 5:09. Did you have a particular day and time in mind? Sentence2: Thanks for the help. Sentence3: Will you train arriving at 07:54 work ok for you? Sentence4: Yes I need it booked for 2 people please. Sentence5: Unfortunately, there are no other Italian restaurants in the east. Would you like me to find you one in another area? Sentence6: Is the pizza hut in the moderate price range? Sentence7: I've successfully booked 2 tickets for you, the reference number is 9FE8N16G . Sentence8: I am looking for an Italian restaurant in the east. Sentence9: Pizza hut fen ditton matches your description. Sentence10: I guess it'll have to do. Can you book us a table for 2 on Wednesday at 14:00 please? Sentence11: Uh, no pizza hut's please. Something more classy please. Sentence12: Absolutely! To start, let me get more details. What are your desired departure and arrival cities? Sentence13: Thanks so much! Can you help me with train tickets too? Sentence14: Yes, it is. Should I book it for you? Sentence15: Yes, I'd like to book the train for Wednesday and I want to arrive in Cambridge by 08:30. Sentence16: Booking was successful. The table will be reserved for 15 minutes.Reference number is : H4BTTI6P . Sentence17: The train should go to cambridge and should depart from leicester. Sentence18: Have a great day! Question: Who has spoken the sentence 7? (A) User (B) System
Answer: (B) System

Sentence1: I recommend university arms hotel. it is rated 4 stars and is expensive. Their number is 01223351241. Sentence2: Can you help me find a place to eat serving british food in the moderate price range? Sentence3: I have several listings. Please provide the part of town you prefer so I can narrow it down. Sentence4: Ok, can you book a room for our group or are you expecting me to call them? Sentence5: Yes, I'd like a hotel in the same area. Sentence6: In the centre if possible Sentence7: can please provide more information to help us serve you better. Sentence8: No thank you that will be all for today Sentence9: I can book it for you. Sentence10: Yes please, could you book a table for 6 at 16:45 on Wednesday? Could i get a reference number too please? Sentence11: sure I can help you with that, when are you planning your stay? Sentence12: i dont mind any price. Sentence13: How about the oak bistro located at 6 lensfield road. The post code is cb21ab and phone number 01223323361. Can I book this for you? Sentence14: I actually need a moderate hotel in the centre. I don't need free parking. I will need the hotel booked for 6 people, 2 nights, on Wednesday, please. Sentence15: You have your choice of an expensive or moderate price range in that area, do you have a preference? Sentence16: Wednesday, for 2 nights. Sentence17: Ok. I have a table for 6 booked for you at the Oak Bistro. Your reference number is 9SGIM1SR . Is there anything else I could help with today? Sentence18: It needs to be close to my hotel and open late. Question: Who has spoken the sentence 5? (A) User (B) System
Answer: (B) System

Sentence1: I would like a guesthouse in the moderate area, I don't care about free parking, I won't be bringing my mercedes on this trip. Sentence2: Yes, I'm looking for a place to stay while I'm in town. Sentence3: cb12dp. Is there anything else? Sentence4: you are so welcome Sentence5: a and b guest house would suit your needs. Could I make a booking for you? Sentence6: i will be sure to call you if i need your services Sentence7: I suggest acorn guest house, it is a four star guesthuse in 154 chesterton road. their number is 01223353888 and code is cb41da. Sentence8: a and b is not in the north, but there a few guesthouses in the north. Do you care for free wifi? Sentence9: Great! What is their postcode? Sentence10: No, thank you. However, will you please tell me the postcode? Sentence11: We have many fine accommodations in town! What are you looking for in a place to stay? Sentence12: Their post code is cb30ag. Is there anything else I can help you with? Sentence13: Thanks, that is all I need. Sentence14: Thanks for using our services, have a lovely day. Sentence15: Internet doesn't matter to me. Any guesthouse in the north that you recommend will be fine. I'll just need the phone number, star, and postcode. Sentence16: it was a pleasure serving you. Sentence17: YOu too thanks so much. Sentence18: Oh sure thing! That's a huge college campus in the west side of town. They are located on Magdalene Street and have free admission. Sentence19: I need information on a place called Magdalene college. Sentence20: Could you tell me now many star rating that has? Is it in the North? I forgot to say I need it there. Question: Who has spoken the sentence 8? (A) User (B) System
Answer: (A) User