You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
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Question: Sentence1: Your very welcome! Enjoy your stay! Sentence2: I'm sorry, but they don't have a room for that long. Would you like to shorten your stay? Sentence3: Great! That worked and your confirmation code is 4MI69WKV . Sentence4: Sure and I would like the address also. Thanks Sentence5: I need booking information,how many people,what day,and how many days you would like to stay. Sentence6: The arbury does have 4 stars. It is moderate priced. Would you like that one? Sentence7: You are welcome. If you need anything in the future, please let us know. Sentence8: Excellent! Now, what can you tell me about the Da Vinci Pizzeria? Sentence9: Have a great day! Thank you for your help! Sentence10: Sure, let's try 2 nights instead. Sentence11: No, that's all I need today. Thanks for all your help! Sentence12: Yes please that sounds good. Sentence13: Oh, wait, I don't think I completed the booking at Da Vinci Pizzeria we were talking about. If you'd still like it I'll need a time, day, and number of people. Sentence14: I am looking to stay for 1 person, 4 nights, starting wednesday. Sentence15: No that's ok. I just needed the address, no booking. Thank you! Sentence16: The Arbury lodge guesthouse should work out for you. Sentence17: It is located at 20 Milton Road Chesterton and offers Italian food at low cost. Would you like me to make a booking? Sentence18: Hi, I'm actually looking to stay at a luxury guesthouse. Sentence19: does it have a rating of 4 stars? Sentence20: Absolutely, I have made the booking and the address is 20 Milton Road in Chesterton. Is there anything else I can help you with? Question: Who has spoken the sentence 9? (A) User (B) System

Answer: Answer: (B) System


Question: Sentence1: It has a 3 star rating. Sentence2: Could you tell me if The Lensfield Hotel has at least a 4 star rating? Sentence3: Find me an expensive place to stay on the south side, please. Sentence4: Yes I would like to make a booking. Sentence5: You're welcome. Have a great day! Sentence6: No, The only hotel I see has a 3 star rating. Sentence7: You know I also need someplace to eat in that is also cheap, and also in the south area. Sentence8: There is only one expensive hotel on the south side. Would you like to book at The Lensfield Hotel? Sentence9: Okay, how many guests and how many nights would you like me to book? Sentence10: How about a hotel in the cheap price range? Sentence11: I would also like a taxi to arrive by my booked time. can i have the taxi contact number and car type Sentence12: Lets go with The Lucky Star. I need a table for 8 people at 13:45 on Friday. Sentence13: Great it's all booked the reference number is MXDZ66IK Sentence14: You have your choice of The Lucky Star, with Chinese cuisine, or Nandos, a portuguese restaurant. Sentence15: Sure, the car will be a blue lexus and the contact number is 07235433780. Anything else I can help you with? Sentence16: I see, are there any cheap 4 star hotels on the south side? Sentence17: Nope, that is all. Thank you very much. Sentence18: Rosa's bed and breakfast is a guesthouse is a 4 star. Question: Who has spoken the sentence 2? (A) User (B) System

Answer: Answer: (A) User


Question: Sentence1: Yes please book the restaurant for me. Sentence2: Booking was unsuccessful. Would you like to book another day or a shorter day? Sentence3: I have successfully booked you a taxi! You will be driven in a Black Toyota and the contact number is 07914565807. Can I help you with anything else? Sentence4: There are a few hotels that meet your criteria. Would you be interested in the Alexander Bed and Breakfast? It has four stars with cheap prices. Sentence5: The booking was successful at the University Arms Hotel. Your reference number is: E7AK16IK . Would you like the phone number? Sentence6: There are 2 hotels in the expensive price range. One has 3 stars and one has 4 stars. Sentence7: No, that's all I need. Thank you for your help! Sentence8: I also need a restaurant the restaurant should be in the expensive price range and serve north american food. Sentence9: The hotel should be in the expensive price range. Sentence10: Please try to book a 1 night stay. Sentence11: I changed my mind. I will go ahead and book it myself. But, can you please provide me the address and postcode. Thanks. Sentence12: Could you book me a taxi please? I would like to leave the restuarant at 20:15 and go back to the hotel. Sentence13: The only result in your area meeting that criteria is Gourmet Burger Kitchen in centre. Would you like me to book a table for you? Sentence14: No problem. You have a good day now! Sentence15: Hello, are there any centrally located hotels in Cambridge with free parking? Sentence16: Gourmet Burger Kitchen is located at Regent Street City Centre, cb21ab. Can I help with anything else today? Sentence17: Not a problem. For what time and day will that be for? Sentence18: Let's go with the 4 star option. I'd like to book it for two people and three nights starting from thursday. Question: Who has spoken the sentence 15? (A) User (B) System

Answer:
Answer: (B) System