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

Ex Input:
Sentence1: Are there any that serve north american food? Sentence2: yes. please book for me a table for thee tommorow diner at 8 pm Sentence3: There phone number is 01223312598. Is there anything else I can assist you with? Sentence4: Yes, there is gourmet burger kitchen. It is an expensive restaurant. Would you like me to book it for you? Sentence5: Yes, the University Arms Hotel is located in the centre area and is on Regent Street. Would you like me to book a room for you? Sentence6: Okay can you also help me with a restaurant that serves Cantonese food in the city center? Sentence7: I just need their phone number. Sentence8: I need information on the university arms hotel. Sentence9: No I am good for now, thanks for all of your help. Sentence10: I need more info. Does the hotel have free parking and what is the price range? Sentence11: There aren't any restaurants in the city centre that serves Cantonese food. Would you like to try a different type of cuisine or try a different area? Sentence12: Thank you for contacting us and have a nice day. Sentence13: You asked about a hotel. Would you like to book a room or would you like me to help find a restaurant? Sentence14: It is in the expensive price range, but it does have free internet and free parking. Question: Who has spoken the sentence 9? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: I don't have a preference. Can you recommend one? Sentence2: Thank you that's all the help I need. Goodbye Sentence3: I can work on booking this for you. Sentence4: Sounds great, thanks. I am also looking for a restaurant in the Centre that serves gastropub food. Sentence5: I'm looking to visit a museum in Cambridge. Can you tell me a little about what you have? Sentence6: I would also like to book a taxi to get between the museum and the restaurant. Sentence7: I will make a booking for backstreet bistro,Booking complete here is your reference number T9TB8FBO . Sentence8: I need to arrive at the restaurant by 14:45. I'll need the contact number and car type as well please. Sentence9: Sure. Is there anything else I can assist you with today? Sentence10: It really doesn't matter money is no object. I need a table for 8 on thursday at 14:45. As long as its a gastropub in the centre of town Sentence11: Okay I have booked your taxi. The contact number is 07498867892 and the car is a blue tesla. Sentence12: Cambridge Artworks is a great place and has free entry. Their address and phone number is 5 Greens Road 01223902168. Sentence13: awesome! thanks for all the info Sentence14: There are 23 museums that match that criteria. What area should the museum be in? Sentence15: Okay, there are 3 different restaurants. What is your price range? Sentence16: Thanks for using our service today! Question: Who has spoken the sentence 7? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: It doesn't matter on the pricing or about having free parking. I would like the hotel to be like a guesthouse. Sentence2: Thanks, that's all I needed today. You've been a great help. Goodbye! Sentence3: Yes actually, could you book that for me? I've changed my mind. Sentence4: Okay, do you have any price range you're looking for? Sentence5: That won't be necessary thanks. Sentence6: I am also looking for a train on the same day as my hotel booking that goes to cambridge that arrives by 20:00 and departs from stevenage. Sentence7: What day would you like that reservation? Sentence8: Thanks for using our service. Have a great day. Goodbye. Sentence9: The reference number is M8CQ8Y16 . Sentence10: Could I get the reference number? Sentence11: Yes please, that would be wonderful. I would like a booking for 4 people, and the reference number, please. Sentence12: I need a place to stay in South of town. Sentence13: That's fine. I'm here to help. For how many people and how many nights will that be? Sentence14: Friday, and after 20:00. Sentence15: TTR7278 leaves at 17:54 and arrives at 18:43, cost is 12.80 pounds per person, would you like me to book you? Sentence16: Is there anything else I can help you with? Sentence17: The stay is for 4 of us for 3 nights. Sentence18: Aylesbray lodge guest house fits your needs. Would you like me to book that for you? Sentence19: I was able to book you for 4 tickets on train TR7278. The total fee is 51.2 GBP payable at the station. Sentence20: Friday, please, and for 3 nights. Thank you! Sentence21: OK, any date or time preferences? Sentence22: Booking was successful. Your reference number is PYDLXTII . Can I help you with anything else? Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:

Answer: (B) System