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

[Q]: Sentence1: Are there any that serve north american food? Sentence2: yes. please book for me a table for thee tommorow diner at 8 pm Sentence3: There phone number is 01223312598. Is there anything else I can assist you with? Sentence4: Yes, there is gourmet burger kitchen. It is an expensive restaurant. Would you like me to book it for you? Sentence5: Yes, the University Arms Hotel is located in the centre area and is on Regent Street. Would you like me to book a room for you? Sentence6: Okay can you also help me with a restaurant that serves Cantonese food in the city center? Sentence7: I just need their phone number. Sentence8: I need information on the university arms hotel. Sentence9: No I am good for now, thanks for all of your help. Sentence10: I need more info. Does the hotel have free parking and what is the price range? Sentence11: There aren't any restaurants in the city centre that serves Cantonese food. Would you like to try a different type of cuisine or try a different area? Sentence12: Thank you for contacting us and have a nice day. Sentence13: You asked about a hotel. Would you like to book a room or would you like me to help find a restaurant? Sentence14: It is in the expensive price range, but it does have free internet and free parking. Question: Who has spoken the sentence 9? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: looking for a train going to Cambridge. Sentence2: How about TR3350 that leaves at 05:17? Sentence3: you can book it. get me the reference number too Sentence4: I am leaving on Sunday and need to arrive by 13:00 Sentence5: Thank you for using our services. Sentence6: Thank you that is all I needed. Sentence7: W8YHJKSV is the reference number Sentence8: What day and time are you wanting to travel? Question: Who has spoken the sentence 2? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: Ok that sounds nice please book that for 3 nights for 8 people starting on saturday. Sentence2: I have so many choices for you. It would be better to narrow the down by area. Sentence3: i also need a taxi to commute between the two places Sentence4: When would you like to leave by? Sentence5: there are no restaurants with swiss food kindly suggest another, Sentence6: I would recommend Rosa's Bed and Breakfast. Would you like to make a booking? Sentence7: I want a place to eat that serves swiss food. Sentence8: I am also needing help finding a room. I don't care if they offer free parking or internet. Sentence9: Michaelhouse Cafe, 15-19 Trumpington Street, reservation for Saturday for 8 people. The table will be reserved for 15 minutes. Reference number VRZWVKT7 . Will there be anything else today? Sentence10: Thank you very much! Sentence11: I don't need a reservation right now but can I get more information? Sentence12: Rosa's is a guesthouse in the cheap price range. It has 4 stars. The address is 01223512596 and the postcode is cb22ha. Do you need more information? Sentence13: How about does anyone serve European food? Sentence14: Have a nice day. Sentence15: I have many places serving European food. Do you have a price range preference? Sentence16: Ok I need departure location, arrival location and travel time to book your taxi. Sentence17: Okay I have booked the taxi and you should expect to see a yellow Skoda and your contact number is 07075628107. Sentence18: May I assist you with anything else today? Sentence19: Your room has been booked. Your reference number is JXKUVL9Y . Sentence20: I'd like a hotel in the south to stay at. It doesn't need to include internet, nor no need to have free parking. Closer to the restaurant would be preferred. Sentence21: Thank you. Have nice trip and call back with any questions. Sentence22: I will be leaving Rosa's Bed and Breakfast and heading to the restaurant. Please ensure the taxi arrives before 11:30. Sentence23: It doesn't matter. Please make a recommendation and book a table for 8 people at 11:30 on saturday. Sentence24: I would like to leave in time to arrive at the restaurant for my reservation at 11:30. Question: Who has spoken the sentence 17? (A) User (B) System
[A]:
Answer: (B) System