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: Booking was unfortunately unsuccessful. Can we try another day or a differen't time slot? Sentence2: Yes, please book a table for 4 people at 19:00 on Sunday. Thank you. Sentence3: Do you have anyplace that serves Chinese food? Sentence4: OK I will go with Italian food and pick the Pizza hut cherry hinton. Thank you for your help. Sentence5: Have a great day! Sentence6: Good news! Your reservation has been booked for Sunday at 18:00 for 4 people. The reference number is YJ0B5W19 . Is there anything else I can help you with? Sentence7: There are 2 options. Pizza hut cherry hinton serves Italian food and Restaurant alimentum serves modern European food. Sentence8: Would you like me to book that for you? Sentence9: I'm sorry, there are no Chinese restaurants located in the south that is moderately priced. Sentence10: How about 18:00? Sentence11: Hello. Could you help me locate a good moderate restaurant in the south of the city? Sentence12: That is all! Thank you! Question: Who has spoken the sentence 10? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: I'm looking for a train to depart Cambridge leaving on Wednesday, can you help me? Sentence2: Anatolia sounds great. Can you give me their address, postcode, and phone? Sentence3: There are 38 trains leaving from cambridge to peterborough. What time you would like to leave? Sentence4: I would like to leave after 14:00 and make a booking. Sentence5: Yes. Either Anatolia or Efes Restaurant would be a good choice. Would you like me to book you a table at one of them? Sentence6: There are over 200 trains departing Cambridge on Wednesday. What will be your destination? Sentence7: Can you recommend a good Turkish restaurant, moderately priced, in the centre of town? Sentence8: I would like to book for 5 people. Sentence9: Anatolia's address is 30 Bridge street City Centre, the postcode is cb21uj, and the phone number is 01223362372. Is there anything else I can do to help you? Sentence10: Your tickets have been reserved. The total will be 82.5 GBP, payable at the station, and your reference number is FSS5PPSG . Is there anything else I can help you with? Sentence11: I can book you on the TR 3587 leaving at 14:06 and arriving by 14:56. Would that be good? Sentence12: Yes,and the reference number as well, please. Sentence13: You are welcome. Have a great day! Goodbye! Sentence14: I will be glad to book this for you and get a reference number. Do you only need one ticket for yourself? Sentence15: I will be leaving from Cambridge. I need to go to Peterborough. Sentence16: No, that will be all thank you. Question: Who has spoken the sentence 5? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: I need to leave after 14:15 Sentence2: Thank you for using the Cambridge TownInfo centre. Goodbye Sentence3: Um, the one at 14:48 please. Could you book it for 6 people? Sentence4: Sure, no problem. Where are you heading in from? Sentence5: No, that's it. Thanks for your help. Goodbye. Sentence6: What time do you need to travel? Sentence7: I am leaving peterborough. Sentence8: Yes. I'm looking for a restaurant called Gourmet Burger Kitchen. Can you tell me the price range and area that's in? Sentence9: TR9964 departs peterborough at 14:19, or there is also a later one that leaves at 14:48. Do either of these suit your needs? Sentence10: I sure can. Gourmet Burger Kitchen is on the expensive side and it's located in the center area of town. Anything else today? Sentence11: Your train is book it will cost 99 GBP and payable at station. Your reference number is 7ZNQOMB8 . Anything else you may need? Sentence12: I need a train to Cambridge please. I plan to leave out on Tuesday Question: Who has spoken the sentence 7? (A) User (B) System


Output: Answer: (B) System