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

Q: Sentence1: Can you give me the address for the Parkside Police Station? Sentence2: No, that's all. Good bye. Sentence3: The address you're seeking is Parkside, Cambridge. Sentence4: Telephone : 01223358966 Postcode : CB11JG. Is there anything else? Sentence5: You're welcome. Thank you for contacting TownInfo centre today. Goodbye Sentence6: Thank you, what is the phone number and postcode? Question: Who has spoken the sentence 2? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: Yes, book me for Sunday departing from london kings cross. Sentence2: Your booking is successful. Train is leaving at 07:17 and it costs 151.04 GBP. Your reference number is 5Y7XKAJY . Anything else I can help with? Sentence3: I need a not later than 9:15 train to Cambridge. Sentence4: 8, please Sentence5: How many tickets will you require? Sentence6: It looks like there's a train for Cambridge with an arrival time of 07:07. Would you like me to book that for you? Sentence7: Okay thank you for calling. Don't hesitate to call us again. Sentence8: No thank you that's I need! Question: Who has spoken the sentence 3? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: I don't really care. Sentence2: The postcode for the Ballare is cb23na. Would you like any other information? Sentence3: I am looking for an Italian restaurant in the centre of town. Sentence4: You are welcome. Have a marvelous time in Cambridge. Thank you for reaching out to Cambridge TownInfo centre. Goodbye. Sentence5: Great. Can I get the information about one of them? Sentence6: Booking was successful. The table will be reserved for 15 minutes. Reference number is : DL0PXR9G . May I help with anything else ? Sentence7: that is it for today thanks. Sentence8: Can you tell me if you happen to have any nightclubs in town? Sentence9: Absolutely. What price range are you looking for? Sentence10: For the reservation of the taxi, can you tell me your pickup and drop off locations? Sentence11: I'm sorry, there's someone talking here and getting me turned around. I'd like a taxi from the nightclub to the restaurant, early enough to make my reservation. Sentence12: You want a train from Ely to Cambridge, is this right? I also need a travel date and departure or arrival time. Sentence13: i have booked a yellow volvo with contact 07259480629 Sentence14: Sure the Ballare costs 5 pounds to get in and is located in the center at Heidelberg Gardens, Lion Yard. Sentence15: I also need a taxi. Sentence16: stazione restaurant and coffee bar is an italian restaurant in the centre area. would you like me to make you a reservation? Sentence17: Yes please, four people on tuesday at 18:00 Sentence18: What is the postcode for that one? Sentence19: Yes Ely to Cambridge please. Thanks Sentence20: yes we have 5 all in the centre of town. Question: Who has spoken the sentence 19? (A) User (B) System

A:
Answer: (B) System
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