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: It does not matter, I just need one available for 7 people at 18:15 on thursday Sentence2: I'm sorry, nothing is coming up for that particular type of restaurant. Is there any other specifics you may like? Sentence3: The reference number is DVDLH9NK . Is there anything else I can help you with? Sentence4: Unfortunately I could not find any guesthouses meeting those requirements. Sentence5: How many stars is Cityroomz? Sentence6: Before I can book your taxi, what time are you wanting to leave or arrive by? Sentence7: Fantastic. Enjoy your trip! Sentence8: Not yet. I would like you to book a taxi for me between my hotel and restaurant. I will need the car type and contact number. Sentence9: It has a zero star rating, is this ok? Sentence10: I also need the reference number please. Sentence11: I just want to be sure it arrives by the booked time at the restaurant. Sentence12: Cityroomz is the only place that matches your criteria. Sentence13: That is fine. Do they have internet? Sentence14: I have made a reservation at restaurant alimentum for you. Your table will be reserved for 15 minutes. The address is 152 - 154 Hills Road. Sentence15: How about one that serves modern european food? Sentence16: Thank you very much for your help! That was everything I needed. Sentence17: How about a hotel type? Sentence18: There are 3 restaurants serving modern european food, would you prefer one on the south side or town centre? Sentence19: Yes, Cityroomz has internet. Would you like to book it? Sentence20: Booked. Your car type is white skoda and contact number is 07075801794 Sentence21: Can you find me restaurant with moderate prices that serves north indian cuisine? Sentence22: Yes, I also need a guesthouse hotel with moderate prices in the centre. I don't need free parking. Question: Who has spoken the sentence 15? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Does that have free parking? Sentence2: I don't have that either. Sentence3: I have 8 different four star guesthouses. They all include internet, would you like to make a reservation? Sentence4: Booking was successful. Reference number is : 7FLYWY4J . I would love to help with anything else ! Sentence5: I can book you into the Acorn Guest house. How many nights do you want to stay? Sentence6: I also need a cinema to visit? Sentence7: Will you please try again? There's gotta be a park somewhere. Sentence8: Oh okay, looks like there is one park. It is Milton Country Park in the North. Their phone number is 01223420060. The address is milton country park, milton. Sentence9: What type of restaurant are you looking for? Sentence10: How many people will be staying at the Acorn, please? Is the booking for you only? Sentence11: Thanks, I need a taxi to get between the two places. Sentence12: What time would you like to leave? Sentence13: Yes, the Acorn guest house has parking Sentence14: I'm sorry, there was an error in our system. Could you please rephrase your question? Sentence15: There will be 5 of us Sentence16: Ok. I booked a yellow toyota for you leaving milton country park at 09:15 and going to the acorn guest house. Is that correct? Sentence17: I have 5 other parks in the centre, east, north, and south. Sentence18: Do you have a price range or star level in mind? Sentence19: I need a restaurant to commute between the attraction and restaurant. I want to leave the attraction by 9:15 and I need car type and contact number please. Thank you, bye.. Sentence20: I need a don't care restaurant. Thank you Sentence21: i need a place to stay Sentence22: Can you select one and make a reservation for me for Thursday please? Sentence23: Sorry, I didn't find any cinemas in the north. Sentence24: I need to get there by 09:15 Sentence25: I can help with that. Do you have a preference in location? Sentence26: Okay I have booked a yellow toyota for you. The contact number will be 07196305390 Sentence27: Can you book that for me for 2 nights beginning Thursday? Sentence28: Hmm, how about a park, then? Sentence29: In the same area as the hotel Sentence30: I don't care about price but I'd like a 4 star place. Sentence31: I just want a park in the same area as my hotel Sentence32: Great. Can you also book a place for dinner on Thursday night? Sentence33: Do you have a particular part of town in mind? Sentence34: I would prefer it to be in the North. Question: Who has spoken the sentence 9? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: No, I don't have a preference. I'd just like it to be expensive, please? Sentence2: i will go with the first. book for the same group of people and 2 nights starting from the same day Sentence3: Chiquito Restaurant Bar is very good. Would you like a table? Sentence4: Okay I am glad I could be of help. Thank you for calling. Sentence5: Yes. Shall I book it? Sentence6: Thanks have a nice day. Sentence7: Is that in the south area of town? Sentence8: I've made those reservations and your reference number are OZZGLCVB . Sentence9: Yes, could you please book me a table for 5 at 14:30 on Friday? Sentence10: i have 2 places. the huntingdon marriott hotel and the university arms hotel. which would you like? Sentence11: There are 3 places available. Do you have an area in mind? Sentence12: Hey, wait, just a second! I just remembered, I need a place to stay with 4 stars, preferably a hotel. Sentence13: Booking was successful. Reference number is : Y79YGBO7 . Anything else I can help with? Sentence14: Thanks, you too. Sentence15: Thank you. That's all I need today! Sentence16: I'm looking for a Mexican restaurant with expensive food. Question: Who has spoken the sentence 15? (A) User (B) System


Output: Answer: (B) System