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

Q: Sentence1: There are 5 expensive Indian restaurants available in the west. Would you like me to book one of those for you? Sentence2: Can you help me find and expensive restaurant in the west? Sentence3: I would like to eat at an indian restaurant please. Sentence4: You are welcome. Thank you for calling Cambridge TownInfo Centre. Good bye. Sentence5: Yes, please choose one and book it for 6 people at 13:30 on Thursday. Sentence6: We have nine. What sort of cuisine would you like? Sentence7: No, that's it for today. Thank you for all your help. Good bye. Sentence8: Ok. I was able to book cocum on thursday at 13:30 for 6 people. Your reference number is LTZ2TPIA . Can I help you with anything else? Question: Who has spoken the sentence 3? (A) User (B) System

A: Answer: (B) System
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Q: 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

A: Answer: (B) System
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Q: Sentence1: The Ugly Duckling's phone number is not available but their postcode is cb21tw. Where will you be departing from? Sentence2: No, but if you could give me the price of a ticket? Sentence3: My favorite is the Ugly Duckling, located at 12 St. Johns Street City Centre. They don't seem to have a phone number, so would you like a different restaurant? Sentence4: I am not familiar with Cherry Hinton Road. Is that in the Centre of town? Sentence5: There are 31 available trains, do you have a more specific time in mind to help narrow them down? Sentence6: There are 31 trains available, what departure time would be best for you? Sentence7: We have 4 expensive chinese restauarants in the city centre. Would you like reservations? Sentence8: I will be departing from Peterborough after 8:30. Sentence9: Great. That's all the information I need now. Thanks! Sentence10: The first train that leaves after 8:30 would be nice. Sentence11: No thank you, can you just give me the address and phone number for one of them? Sentence12: I need to be in Cambridge on Saturday. Sentence13: We have 57 options available, do you have a preference on cuisine or location? Sentence14: Yes, I would like some Chinese food, please. Sentence15: What is your destination? Sentence16: I would like to find an expensive place to eat please. Sentence17: You're welcome, goodbye! Sentence18: Yes please. I would like something in the expensive price range. Sentence19: Ok. That train is TR1616 which leaves at 08:48. Would you like for me to book your seats? Sentence20: It is 13.20 pounds. Sentence21: No, actually they are located in the south. Did you want me to check for what is available in the centre instead? Sentence22: There are 9 options. The Good Luck Chinese Food Takeaway is located at 82 Cherry Hinton Road, Cherry Hinton. Would you like to reserve a table? Sentence23: Yes please give me the post code and phone number for one of the restaurants that has them listed. I am also looking for a train. Sentence24: Any time after 08:30 would work. Question: Who has spoken the sentence 18? (A) User (B) System

A:
Answer: (A) User
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