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 verify that the hospital has a transplant high dependency unit? Sentence2: Can you help me find a hospital nearby? Sentence3: Yes, it does. Here is the unit's phone number: 01223216811. Do you need any other information? Sentence4: I would like the address and phone number please. Sentence5: No that is everything. Thank You Sentence6: Sure, the phone number is 01223245151 and the address is Hills Rd, Cambridge. Sentence7: The nearest hospital to you is at Hills Rd, Cambridge. would you like their phone number? Sentence8: Alright sounds good. I hope everything is okay. Question: Who has spoken the sentence 4? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: Price doesn't matter. Do they have free parking? Sentence2: I need an expensive restaurant in west Cambridge. Sentence3: No I just need the reference number for the reservation for 3 people on Sunday at 16:15. Sentence4: Give me the address and phone number for the one you most recommend Sentence5: There are 33 options for lodging in town. Do you have a preference for area, price range, type, or star rating? Sentence6: No I am good! I do not need a taxi. Sentence7: Yes, both the establishments offer free internet as well. Sentence8: Do they have free wifi also? Sentence9: I would like a place to stay Sentence10: There are two places that meet your search criteria. Did you have a price range in mind? Sentence11: I have 5 restaurants that match what you're looking for. Would you like to try Tandoori Palace? Its located at 68 Histon Road Chesteron. Sentence12: No I believe we have got everything done. Goodbye. Sentence13: Do they offer free parking? Sentence14: I want Indian food. Sentence15: In terms of type, I want a hotel. And I'd like 4 stars and wifi as well, with a location in the south Sentence16: Happy to help. Have a great day. Sentence17: Yes, they do offer free parking. Can I book a room for you? Sentence18: We have several to choose from. Did you have a specific cuisine in mind? Sentence19: Sure. The reference number is CBAGG03S and your table will be reserved for 15 minutes. Is there anything else today? Sentence20: No thank you. I have all the info I need. Sentence21: Rosa's Bed and Breakfast is the one I recommend. It's address is 53 Roseford Road and it's phone number is 01223512596 Sentence22: Yes as a matter of fact they do. Sentence23: Will you need a taxi to get to tandoori palace? I can help with that. Sentence24: Can I help you with anything else today? Sentence25: I will book that for you. Would you like the phone number in case you change your mind? Sentence26: Sure, can I get a reservation for Sunday at 16:15? I will need a table for 3. Question: Who has spoken the sentence 16? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: I've booked your hotel for a 3 night stay for 5 people. Your reference number is IO1X1H8Q . Can I help you with something else? Sentence2: Thank you for contacting us and have a nice day. Sentence3: The booking was successful. The table will be reserved for 15 minutes.Your reference number is : XL60G8AI . Sentence4: There are none in the centre area however there are some in the north, south, or east. Which area would you like? Sentence5: I don't have anything that fits all your specific requests in that area. Would you like to try a different area or would you be willing to change specifics? Sentence6: it doesn't matter just book a room for 3 nights I'll need the reference number then too please Sentence7: Great. Can you make me a reservation for 5 people at 14:30 on Wednesday. Sentence8: Surely there's got to be a moderately priced 4 star hotel in the Cambridge area that offers free parking and internet. Can you please check again? Sentence9: No thanks that's all I need for now. Thank you for your help. Sentence10: I would like to find a certain restaurant called the Maharajah Tandoori Restaurant. Can you find it for me? Sentence11: It is located at 41518 Castle Street City Centre. Sentence12: We have 33 places to stay in the area. Would you like to narrow down your needs, like price range or area? Sentence13: Well I would like it to be moderately priced, 4 stars and include free wifi and include free parking. Sentence14: Thanks so much. I'm also looking for a place to stay. Question: Who has spoken the sentence 12? (A) User (B) System

A:
Answer: (A) User
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