instruction:
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
question:
Sentence1: Booking was successful for Tuesday. Your Reference number is : 0J3V1091 . Sentence2: I'm sorry that doesn't seem to be available would you like me to try a different day or guesthouse? Sentence3: I'm sorry, there does not seem to be a historical site or hiking area in Cambridge. Is there anything else I can help with? Sentence4: Sure, I can help you with that. What section of town were you looking for? Sentence5: Doesn't really matter if they offer either of those or not. I just want it to be a 0 star hotel. Sentence6: Then the city centre north b and b is what you want, shall I book you? Sentence7: i don't really care about the area. Sentence8: I want to see local sights, can you help? Sentence9: I like hiking and seeing historical sites. Sentence10: Okay. Are you interested in hotels that offer internet and/or parking? Sentence11: Yes, I would like to find a hotel in the cheap price range? Sentence12: Yes, a guesthouse is fine. I was looking for zero stars and in the cheap price range. Sentence13: Great, thanks. I don't need anymore help. Goodbye! Sentence14: Yes, please book it for me. Sentence15: I'm sorry, I seem to be having an error in my system. You want a booking at the citycentre north B&B for 6 people, 5 nights, on Monday? Sentence16: I'm also looking for somewhere to go. Perhaps the college. Can you tell me the postcode for the college? Sentence17: City Cenrtree North and B is a cheap hotel,would you like me to book it for you ? Sentence18: Let book the same but on Tuesday instead. Sentence19: I'm happy I could help today. Goodbye! Sentence20: There are 18 colleges in town. I recommend christ's college in the centre. The postcode is cb23bu. Sentence21: Yes, there is a wide variety, do you have an activity type that your are interested in? Sentence22: Yes please, 6 people for 5 nights and we would be arriving Monday. Question: Who has spoken the sentence 21? (A) User (B) System
answer:
Answer: (B) System

question:
Sentence1: There are 44 possible options. What type of attraction are you interested in? Sentence2: No, that's all I need today. Thank you for your help. Sentence3: I can book a 05:54 for you. Sentence4: You're very welcome, is there anything else I can do for you? Sentence5: I need the train to leave after 15:45 please. Also do you have the entrance fee for the Vue Cinema? Sentence6: Sorry, but I do not have the entrance fee for Vue Cinema in my database. I do have a train from stevanage at 15:54 for you, though. Sentence7: Hello, I'm looking for places to go in the city centre. Sentence8: Have a great day then! Sentence9: How about the Vue Cinema located at the grafton centre, east road? Sentence10: Thank you for your help. Sentence11: Great can you make that reservation on the train for 7 people and send me the reference number? Can you also send me the phone number for the Cinema? Sentence12: I don't mind what kind. Sentence13: Sure, what is the entrance fee? Also I need a train that departs from Stevenage on Thursday. Sentence14: The train is booked reference number 3YY4QV9P, and the phone number of the Vue Cinema is 08712240240 Question: Who has spoken the sentence 2? (A) User (B) System
answer:
Answer: (A) User

question:
Sentence1: There are many 4 star hotels. What area and price would you like to be in? Sentence2: I've found the aylesbray lodge guest house. It has a moderate price and 4 stars. It offers free internet and parking. Shall I book it for you? Sentence3: Please help me find a four star hotel. Sentence4: I would like a cab leaving the hotel by 8:00 going to the restaurant, I need contact number and car type please. Sentence5: Somewhere South, mid price range and preferably a guesthouse type of hotel. Sentence6: Your red bmw was successful. Your contact number is 07998933072. Sentence7: The Bedouin serves African food, would you like me to book that for you? Sentence8: No, I just need the address and phone number. Sentence9: Thank you. I do not need any further help right now. Sentence10: Sorry, no venues found. Want to change the food type or price range? Sentence11: Okay, let's adjust the food type to african please Sentence12: Ok I will book it for you Sentence13: Is there any expensive Irish restaurants? Sentence14: They are at 100 Mill Road City Centre and can be reached at 01223367660. Is there anything else I can assist you with? Sentence15: Yes can you please book that. Sentence16: You're all set I've booked the Aylesbray lodge guesthouse for 3 nights 5 people starting Thursday. Your reference # is DTX3QITL . Is there anything else I can help you with? Sentence17: I need it for 3 nights starting Thursday. There will be 5 of us. Sentence18: Okay, it was my pleasure to assist you. goodbye Question: Who has spoken the sentence 14? (A) User (B) System
answer:
Answer: (A) User