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

[EX Q]: Sentence1: No I have nothing in particular in mind. Sentence2: Thanks. I am also looking for somewhere to eat near the museum. I'd like to have Chinese food for dinner. Sentence3: Let's do a museum. Can you please send me the postcode, and phone number please. Sentence4: we can do Museum of archaelogy and anthropology, it is in university of cambridge, downing street. code number cb23dz. their phone number is 01223333516 Sentence5: There are 3 options. I recommend jinling noodle bar. Sentence6: Great, now can you also book a taxi for me? I need to make sure I get to the restaurant from the museum in time for that reservation. Sentence7: Booking completed! The car type is a black honda and the contact number is 07016630526. Can I help with anything else today? Sentence8: Thank you and enjoy the city! Sentence9: What time would you like? Sentence10: Thanks, that's it for now! Have a good day! Sentence11: There is lots to see in the centre. Were you looking for a certain type? Sentence12: Booking was successful. The table will be reserved for 15 minutes. Your Reference number is : YNWUFRQ4 . Sentence13: A moderate price range would be best. Sentence14: There are 10 Chinese restaurants in the centre. What is your price range, please? Sentence15: Would you be interested in architecture, a museum, or perhaps theatre? Sentence16: I'd like to find an interesting attraction in the city center. Sentence17: I would like to reserve it for 11:15 for 8 people. Sentence18: That sounds interesting. Can I get reservations for Thursday? Question: Who has spoken the sentence 5? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: Okay that is all I needed. Sentence2: Can you help me find a hospital close by for an injury I have? Sentence3: The address is Hills Rd, Cambridge and Postcode is CB20QQ. Sentence4: I have information for Addenbrookes Hospital at Hills Rd, Cambridge. If you have a certain department you would like to contact, I can get that number for you. Sentence5: Okay. Glad I could be of help. Sentence6: I just need the adress and the postcode if you have it. Question: Who has spoken the sentence 1? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: The system is unable to provide me with such information is there anything else? Sentence2: I am unable to book this for you. Do you have any other preferences ? Sentence3: The would be great. Can I have the address and phone number? Sentence4: I need the entrance fee and address. Sentence5: I apologize, but it looks like saturday is not working either. Sentence6: It is in the Center of town. What else would you like to know? Sentence7: Would you like me to book it for you? Sentence8: Try tuesday please. Sentence9: Surprisingly, I have three options. How about Citiroomz? It is located in the centre and is moderately priced. Sentence10: The entrance fee is 4 pounds and the address is 1-6 corn exchange street. Anything else? Sentence11: Good Bye thank you for calling Sentence12: No that would be all. Thank You. Goodbye Sentence13: How many people will be staying and when would you like to stay? Sentence14: Hello, can you recommend a 0-star hotel with free WiFi, please? Sentence15: How much will the ride cost? Sentence16: Yes I'd like to book a taxi from the hotel to the nightclub and i need to leave by 22:15.And may i have car type and confirmation # please? Sentence17: I'm sorry tuesday isn't working either. Sentence18: Yes certainly their address is sleeperz hotel, station road and their telephone number is 01223304050. Sentence19: How about tuesday? Sentence20: I suppose I'll book it myself, then. Can you tell me about the Soul Tree Nightclub? What part of town is it in? Sentence21: Yes, please book it and provide a reference number. Sentence22: It will be for 2 people starting on Wednesday. Sentence23: Great I need to book it for 4 nights Sentence24: Okay a red honda will be coming for you. The number is 07945880615 Question: Who has spoken the sentence 1? (A) User (B) System
[EX A]:
Answer: (B) System