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: No that's all. Thanks. Bye! Sentence2: Yes, that's right. Which of the 12 options would you recommend? Sentence3: Yes, would you try 2 nights instead, please? Sentence4: That's great. Please make a reservation for 1 on Monday. I'd like to stay 3 nights. Sentence5: Your booking was unsuccessful. Would you like another day or a shorter stay. Sentence6: Are they expensive? I would like something nice. And do they have free parking? Sentence7: Please check for something expensive first. If you don't see one, then we can come back to that. Sentence8: Booking was successful. Reference number is : JAKCI7JO . Is there anything else we can help you with today? Sentence9: How about Archway House? It's at 52 Gilbert Road cb43pe, and the phone number is 01223575314. Would that work for you? Sentence10: Yeah, that's fine. Oh, and I need free parking! Sentence11: There is the Acorn Guesthouse that is located in the north side of town. Would you like me to make a booking? Sentence12: I hope you have a great rest of the day. Sentence13: Can you tell me about a nice guest house in your city? I don't care how much it costs. Sentence14: They're a moderate guesthouse with free wifi and parking. Would you like to book a room? Sentence15: So to clarify, you need a guesthouse with free parking, and a moderate price range is acceptable? If so, I have 12 different options for you. Sentence16: It looks like all of the places in the expensive price range are hotels rather than guesthouses. Would you like to consider a different price range? Question: Who has spoken the sentence 11? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: I would prefer the north please. Sentence2: I have found 13 of them. Can you please be more specific about what you would like? Sentence3: I'd like to find a college to visit in the center of town. Sentence4: No thank you that will be all Sentence5: I would suggest the acorn guest house it is a great place to stay. Sentence6: That will be fine. I'll need to book for Saturday, 3 nights, and 1 person. Sentence7: You're all set! Your reference number is 41BK9PC7 . Sentence8: moderate price range thank you Sentence9: There are 32 hotels that offer free internet, is there a price range or area you prefer? Sentence10: Actually one more thin, I need a taxi from the hotel to the restaurant, I want to leave at 09:45. Sentence11: Thank you! Can you also help me find a place to stay with free wifi? Sentence12: I narrowed it down to 17. What part of town would you prefer and do you want free parking? Sentence13: No that will be it for today. Sentence14: I recommend Emmanuel college. Their address is saint andrew's street Sentence15: Okay, I booked a yellow honda and their contact number is 07225232221. Do you need help with anything else? Sentence16: You can choose one for me and give me the address. Question: Who has spoken the sentence 7? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Its an expensive hotel. Sentence2: That's all I need for now. Thanks for all your help! Sentence3: There are 33 expensive restaurants in the centre. Are you sure you have no preference for food type? Sentence4: Okay, the postal code is: PE296FL. Can I assist with anything else? Sentence5: What type of hotel is it? And what is the post code? Sentence6: Yes can you book it for 3 people on Wednesday at 17:30? Sentence7: Thanks, now can you book me a taxi? I want to be picked up from my hotel and taken to the restaurant by 17:30. Please give me car type/contact number Sentence8: I'm not sure. Do they have internet? Sentence9: When will you be staying there? Sentence10: None, it is my first time in the town and I like every food, I will go with what you recommend. Sentence11: I also would like to eat in the center of town. Sentence12: You are quite welcome! Enjoy your stay! Sentence13: Can you tell me the name of the hotel please and then we can talk about booking a room? Sentence14: It is the Huntingdon Marriott Hotel Sentence15: Your taxi has been booked. The car type is a blue Toyota and the contact number is 07594906784. Is there anything else I can help you with? Sentence16: Don't really have a food preference but would prefer something expensive. Sentence17: Okay. Well, I've heard great things about the Cambridge Chop House. It's a British restaurant. Would you like me to book that for you? Sentence18: I have a hotel that I really want to stay at today. Sentence19: Can I get the postcode please? Sentence20: Yes, they have internet available. Sentence21: There is a lot of restaurants in the town centre. What type of food are you looking for? What is your price range for the restaurant? Sentence22: Your booking was successful. Here is your reference number, CUZ69HSD . Question: Who has spoken the sentence 17? (A) User (B) System


Output: Answer: (B) System