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

Example Input: Sentence1: Frankie and Bennys serves italian food in the expensive price range, and their postcode is cb17dy. Would you like assistance in making a reservation? Sentence2: Departure time doesn't matter, I just need to arrive at the stansted airport by 21:30 on Thursday, and I need to depart from Cambridge. Sentence3: When are you leaving? Sentence4: I don't need tickets at the moment, but I do need the price and train ID for that 19:40 departure, please. Sentence5: I need a train that leaves Cambridge on Thursday. Sentence6: There are 202 trains leaving Cambridge on Thursday. Would you like to narrow your search by destination and time? Sentence7: Can you tell me the postcode, food type, and the price range? Sentence8: The train id for that is TR9030 and the price is 10.10 pounds. Is there anything else you'd like help with today? Sentence9: I am going to the stansted airport and I need to arrive by 21:30. Sentence10: Yes, the 19:40 train will arrive at 20:08. How many tickets would you like? Sentence11: I'm also looking for a particular restaurant, it's called Frankie and Benny's. Sentence12: Thank you for contacting the Cambridge TownInfo centre. We're here any time you need to get around Cambridge! Sentence13: No, that's all I needed. Thank you. Sentence14: Can I please have one at 19:40. I will get there by 21:30 correct? Sentence15: I was able to find it, what information would you like on it? Sentence16: I have 16 train departures fitting your preferences. They leave every :40 of the hour starting at 5:40 to 20:40, would you like me to book one of these? Question: Who has spoken the sentence 10? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: Okay, do you need the taxi to go to the restaurant or the attraction? Sentence2: Okay, perhaps you can find a college that I can visit. Sentence3: Thank you so much. Sentence4: I have 8 results. What area would you like? Sentence5: I want to leave the attraction at 09:45 and head to the restaurant. Sentence6: it is on regent street Sentence7: I'm sorry there are no matches. Sentence8: It should be cheap and include free parking. Sentence9: i also want a taxi to commute between the two places Sentence10: There are 21 guesthouses offering free wifi. Do you have a price range? Sentence11: Sure, you will be expecting a black lexus , their contact number is 07988632177 Sentence12: I recommend finches bed and breakfast, that've got some good reviews. Sentence13: There are five colleges available in the centre area. How about Downing College? The entrance fee is free. Sentence14: Oh thats great. Please assist to book that for 5 nights starting from Saturday and if it fails then Tuesday. Please send me the reference number when you are done. Sentence15: Sounds great. What is the address? Sentence16: Yes, I'm looking for entertainment attractions located in the centre. Sentence17: No particular area. What do you recommend? Sentence18: you are welcome, enjoy yourself. Sentence19: Booking was successful for Saturday. Reference number is : 5LQHD9SU . Can I help with anything else? Sentence20: I'm planning a trip to Cambridge and need a 4 star place with wifi to stay. It doesn't matter if its a hotel or guesthouse, just 4 star please. Question: Who has spoken the sentence 14? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: Thank you. You have bee very helpful. Have a nice day. Sentence2: I have 4 options here. I suggest adc theatre at park street. Is there anything else I could help you with? Sentence3: Are there any theatres to go to in the centre of town? Sentence4: Sorry it leaves at 09:16 and arrives at 10:35. Sentence5: Yes you are correct train TR5225 arrives at 13:35. Sentence6: Wait, I thought it arrived at 13:35, no? Sentence7: Sure, when would you like to leave? Sentence8: Yes perfect. What is the departure time on that train so I am not late. Sentence9: you are welcome, enjoy your stay. Sentence10: I need a train to cambridge from norwich on Sunday, please. Sentence11: Can you verify the departure time for that train again please? Sentence12: I need to arrive by 14:30, is there anything for that time? Sentence13: Yes can I get the address and fee and number for the theatre? Sentence14: Unfortunately there are no such venues. Can I help you with anything else? Sentence15: It's located on park street, postcode cb58as and their phone number is 01223300085. Unfortunately, their entrance fee is not available. Sentence16: The departure time is 12:16 PM Sentence17: TR5225 arrives at 13:35 if that would work for you? Sentence18: Thank you. I am also looking for a place to go in town. I'd like it to be located in the centre and be a mutliple sports Question: Who has spoken the sentence 11? (A) User (B) System
Example Output:
Answer: (B) System