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

[Q]: Sentence1: Probably the emergency department, the phone number is 01223217118. Sentence2: Thank you for the information. Sentence3: Which department should I contact for a sprained ankle? Sentence4: Nope that is it. Thank you Sentence5: I want to find a hospital in town Sentence6: Thank you , could you provide me with the email address? Sentence7: Addenbrookes Hospital is located at Hills Rd, Cambridge. Is there a particular department you're looking for? Sentence8: You are very welcome. Is there anything else I can help you with today? Sentence9: You're welcome. Thank you for using our service. Sentence10: Unfortunately there isn't an email address listed here. Sentence11: The address is Hills Road, Cambridge. Sentence12: Can I have the address please. Question: Who has spoken the sentence 7? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Well, there are 12 guesthouses and 2 hotels in town that fit your criteria, they all offer free WiFi. Do you have a price range in mind or a star rating? Sentence2: Most definitely. Would you like to go ahead and book a reservation? Sentence3: Do you have a preference of type of lodging, star rating, or internet? Sentence4: I'd recommend a nightclub if you don't mind paying or a museum if you're looking to do something free. Sentence5: We have 44 places to visit in the centre, any specific preferences in mind? Sentence6: I'm sorry, the Acorn Guest House is a guesthouse. Is that acceptable or did you want a hotel specifically? I apologize for the confusion. Sentence7: It's located at 154 chesterton road, the postcode is cb41da, and you can reach them by phone at 01223353888. Sentence8: I'm looking for places to go in the centre area of town. Sentence9: Yes, I would. Can I get the address, area, and phone number? Sentence10: I don't care about any particular area to be honest. Sentence11: How about the acorn guest house? Sentence12: My favorite is the Cambridge Contemporary Art Museum and their phone number is 01223324222 and the post code is cb21su. Admission is free. When would you like a hotel? Sentence13: I would just like to know what is available. Oh I also need free wifi. Sentence14: As long as it has everything I've been asking for, I'm good. Sentence15: Thank you. That was all I needed. Goodbye. Sentence16: I'll repeat this: The hotel should be in the moderate price range and it should include free wifi and free parking. I don't care about the area. Sentence17: A museum sounds good. Do you have the poscode and phone number? I also need a place to stay that is moderately priced with free parking. Sentence18: I found 14 for you. Do you have a specific area you'd like? Sentence19: What would you recommend? Sentence20: I would like a hotel in the moderate price range and it should include free parking. Question: Who has spoken the sentence 16? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: That sounds interesting. Can you tell me their phone number and the cost of entrance? Sentence2: I am looking for a moderate priced place to dine in the centre area. Sentence3: Can you get me a taxi that could take me from the museum to the bistro? Sentence4: I was able to book that taxi for you. Be looking for a white Audi. If you need to contact them, their phone number is 07749170478. Anything else I can do? Sentence5: Entry is free and the phone number is 01223333516. Is there anything else I can help with? Sentence6: I want to leave the museum by 07:45. Sentence7: I don't really care. Can you please suggest one for me? And please include the postcode. Thanks. Sentence8: You're welcome and have a great day. Sentence9: I have several restaurants matching your request. What type of cuisine would you like? Sentence10: I would like to go to a museum. Are there any in the area? Sentence11: No, thank you. That's everything I needed today. Sentence12: What time would you like to travel between the two places? Sentence13: There are 11 different museums in city centre. I find the Museum of Archaeology and Anthropology to be fascinating. Would you like to learn more about them, or keep looking? Sentence14: I recommend The Oak Bistro. They serve British food and the postcode is cb21eg. Would you like me to book a table for you there? Sentence15: No thank you. I did want to go to an attraction in the same area of town. Sentence16: There are 44 attractions located in the centre of town like the restaurant. Is there a particular type you would like to visit? Question: Who has spoken the sentence 15? (A) User (B) System
[A]:
Answer: (B) System