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: I am looking for Mediterranean food in the center of the city. Sentence2: I show 3 available. 2 are in the expensive range and 1 is cheap. May I book a table for you? Sentence3: Thanks for calling. You have a great day! Sentence4: I have booked you at the Shiraz Restaurant for 7 people Saturday at 15:45. Your table will be reserved for 15 minutes. Sentence5: I'd like the expensive range and I'd like to book a table for 7 people on Saturday at 15:45. Sentence6: Great. Thanks so much! Sentence7: Thank you so much. That is all I need today. Have a great evening. Sentence8: Sure. Your reference number is MSV3UPS2 . You will likely need it. Question: Who has spoken the sentence 4? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: Thank you for using our system today! Sentence2: I am coming to cambridge and heard about a bed and breakfast called finches. Sentence3: Yes, I would like to arrive before 5:00 PM. Sentence4: It is a lovely guesthouse on the west end boasting cheap prices and a 4 star rating! Would you like their address or phone number perhaps? Sentence5: I actually would like to book the hotel for 7 people starting on Tuesday for 3 nights. Sentence6: I'll be departing from cambridge and going to norwich. Sentence7: I apologize, I actually need to leave after 16:30 Sentence8: No problem, but I'm afraid there are no trains leaving after 16:30 and arriving by 17:00. Might I suggest TR7047, which leaves Cambridge at 16:36 and arrives in Norwich by 17:55? Sentence9: Is there a time you would like to arrive before? Sentence10: Can you also help me find a train on Fridya? Sentence11: Train TR7747 leaves at 15:36 and arrives in Norwich at 16:55. Would you like me to book you tickets? Sentence12: Thank you, no that will be all. Sentence13: OK, the booking for successful. The total is 17.6 GBP and the reference number is MIMOPEN1 . Is there anything else I can do for you? Sentence14: Yes, that sounds great. Please book that for me. Sentence15: I was able to book your party of 7 at Finches bed and breakfast for 3 nights. Your reference number is 4R76GWVJ . Can I help you with anything more today? Sentence16: Of course. There are many available Friday. Where will you be traveling to and from? Question: Who has spoken the sentence 7? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: we have quite a few in the north when are you planning your stay? Sentence2: I'm sorry, you mentioned that earlier. I've got your taxi booked. It will be a red Tesla, the contact number is 07760358173. Is there anything else I can help you with? Sentence3: Perfect, could you give me their post code? Sentence4: Is that located in the north? Sentence5: I want to go to the Riverboat Georgina, please. Sentence6: The Cambridge Punter is located at 251a Chesterton Road. Would that fit the bill? Sentence7: what time would you like to leave or arrive by? Sentence8: Great thank you so much. Sentence9: We have guesthouses and hotel ranging from 0 to 4 stars. Do you have a preference on price range so we can narrow it a bit more? Sentence10: Great. I am also looking for a place to stay in the north. Sentence11: You're welcome! What is you destination? Sentence12: I'd like to leave the hotel by 3:15 please. Sentence13: Would you like me to suggest one for you? Sentence14: 5 nights, starting from Thursday. For 3 people. Reference number please. Sentence15: I would recommend the archway guesthouse, do you want more information or a booking? Sentence16: Your welcome, I'm glad I could help. Sentence17: Okay. Your booking was successful. The reference number is 6WM7SEWY . Can I help with anything else today? Sentence18: Thank you, that will be all for today. Sentence19: i want to do some boating today Sentence20: Sorry, the cambridge punter is in the center, but there's the Riverboat Georgina in the north. Sentence21: I will work on looking for one and let you know shortly. Sentence22: The hotel should be in the same area as the attraction and should have a star of 4. Sentence23: Yes, please pick one for me. Sentence24: of course! it is cb41as Sentence25: I also need a taxi to leave the hotel by 3:15. Please provide the contact number and car type. Sentence26: I would like you to book please. Question: Who has spoken the sentence 14? (A) User (B) System


Output: Answer: (A) User