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

[Q]: Sentence1: They can be reached by calling 01223358966. Sentence2: Take care. Goodbye. Sentence3: How do I contact the Parkside, Cambridge police station? Sentence4: I'll need to address also. Sentence5: contact the Parkside, Cambridge police station Sentence6: No, thank you. Sentence7: The Parkside Police Station is located in Parkside, Cambridge and the Postcode is CB11JG. Is there anything else I can help you with? Sentence8: Help me, please, I was just the victim of a robbery! I need help right away! Question: Who has spoken the sentence 2? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: Yes, after 8:30 would be best. Sentence2: I have booked you a train ride on TR6488 which will depart at 09:21 and will arrive at 10:10. The total fee will be 10:24GBP. Would you like the reference number? Sentence3: No thank you. Thanks for your help. Sentence4: Great, thank you. That's all I needed. Sentence5: What is the total travel time? Sentence6: The post code is cb21ab and the phone number is 01223323737. Where would you like to book a train to? Sentence7: Where are you departing from? Sentence8: I would like the post code and phone number for the restaurant please, and I would like to book a train. Sentence9: The total travel time will be 49 minutes. Sentence10: You're welcome. Is there anything else I can do for you today? Sentence11: I'm leaving from Cambridge. Sentence12: I think something cheap. If not, go up to moderate. Sentence13: Do you have a time in mind? Sentence14: Good day to you. Sentence15: I suggest pizza hut city centre, it has a cheap price range. Would you like me to book it or would you like more information? Sentence16: Yes, Please book the reservation. Sentence17: I need to go to Stevenage on Sunday. Sentence18: I'd be happy to book a table for you. Please let me know the day, time, and the number of people in your party. Sentence19: There are nine of them. What price range do you prefer? Sentence20: I am looking for an Italian restaurant located in the centre of Cambridge. Question: Who has spoken the sentence 15? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: I would like to find a lovely hotel to stay in cambridge that has free wifi, so I can watch netflix. Can you help me with that as well? Sentence2: The booking at huntingdon marriott hotel was successful. Your reference number is 5ZCWD20P . Sentence3: I'm showing 3 different ones. One is located in the centre & the other 2 are west. Would you like me to book one of these for you? Sentence4: The TR8662 train arrives in Cambridge at 12:35. Do you want me to book a hotel now? Sentence5: I'm looking for a train departing from Norwich to Cambridge on Friday, I'm hoping to leave by 12:00. Sentence6: Welcome. have a nice day. Sentence7: TR8662 runs norwich to cambridge and leaves at 11:16 that day. Should I book it for you? Sentence8: I'd like a 4 star hotel but it doesn't matter which area it's in. Sentence9: Oh I'm sorry, I forgot I need to know what time my train will arrive in Cambridge. Can you please help me with that first? Sentence10: We have lots of accommodations that include free wifi. What type of place would you like to stay in, and what area of the city do you prefer? Sentence11: The price of the TR8662 is 17.60 pounds per ticket. Is there anything more I can help you with today? Sentence12: could I have the price please? Sentence13: Of course what day would you like travel? Sentence14: Hello, I'm looking for a train departing from Norwich on friday. Sentence15: Yes, I'll need a hotel for 7 people for 4 nights starting Friday. Sentence16: Thank you. That will be all. Question: Who has spoken the sentence 13? (A) User (B) System
[A]:
Answer: (B) System