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

Input: Consider Input: 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

Output: Answer: (A) User

Input: Consider Input: Sentence1: I'm looking for places to go in town. Maybe a swimming pool? Sentence2: I can help with that. There are 4 swimming pools available; they're in east, north, and centre. Would you like more information? Sentence3: I am unsure of the entrance fee, you will have to call the venue's for prices, would you like the phone numbers? Sentence4: There are two Asian places, would you liked me to book one of them? Sentence5: Thank you for using our service, and enjoy your time in Cambridge! Sentence6: Yes, I would like the phone numbers. I am also looking for a cheap asian restaurant. Sentence7: What are their prices? Sentence8: Yes I have two options: Nusha and Tenpin. Interested in either? Sentence9: I booked a Yellow Skoda, contact number 07937936752. It will pick you up from J Restaurant and bring you to Tenpin. Will that be all today? Sentence10: Sorry, I'm a little confused. Are you looking for information on the attraction Tenpin, or one of the restaurants? Sentence11: The restaurant please. Sentence12: It doesn't matter. Sentence13: Well instead, how about some kind of entertainment in the southern part of the city. Sentence14: The phone numbers are 01223902158 for nusha and 08715501010 for tepin. What area would are you looking for the restaurant in? Sentence15: Thank you can I get the area, postcode, and address of tepin? Sentence16: j restaurant is located at 86 Regent Street City Centre, postcode cb21dp. Sentence17: No, that will be all, thank you. You have been very helpful and also patient. Have a great day. Sentence18: I also need their address and postcodes please Sentence19: What is the entrance fee for those two options? Sentence20: The prices for these restaurants are cheap. Sentence21: The telephone number for the Dojo is 01223363471 and the telephone number for the J restaurant is 01223307581. Sentence22: Great! I'll also need a taxi to go between the two. I'll need to leave the restaurant by 08:00. Question: Who has spoken the sentence 14? (A) User (B) System

Output: Answer: (A) User

Input: Consider Input: Sentence1: Yes, internet is available. Sentence2: Thanks, that's all I need. Have a nice day. Sentence3: Great I also am looking for a place to stay with free parking in the south part of town too. Sentence4: Have a great day too. Goodbye. Sentence5: Which one would you recommend? I don't need a reservation, just the address and phone number. Sentence6: Do they also have internet available? Sentence7: I have two, how many will be dining with you? Sentence8: I'm looking for a restaurant that is high end chinese. Sentence9: I recommend the peking restaurant the phone number is 01223354755 and there address is 10 Homerton Street City Centre. Is there anything else you need? Sentence10: I've found 9 high end chinese restaurants. Is there an area you prefer? Sentence11: Sure I have several choices for you. Do you have a price range preference? Sentence12: Goodbye! I hope your day is great. Sentence13: Yes, I'd like it to be in the south. Sentence14: I found one hotel, The Lensfield Hotel. Would you like to make a reservation? Sentence15: I would like it to be in the expensive price range. Sentence16: Okay great. Thanks I will. Question: Who has spoken the sentence 2? (A) User (B) System
Output: Answer: (A) User