instruction:
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
question:
Sentence1: How about the Alexander bed and breakfast in the centre? It is a cheap 4 star guesthouse with free internet and wifi. Sentence2: That sounds like it might work. Could you check availability for two people this weekend? Sentence3: Does this place include free parking? Sentence4: I am unsure at this time. Sentence5: I am glad to help. Have a nice day. Bye. Sentence6: I live in the centre of town and want to see if I can find a reasonable room for my parents to stay while they are visiting. Sentence7: Okay, would you like some more information about that hotel? Sentence8: You have been very helpful. I have everything I need, thanks. Bye Sentence9: The address is 56 saint barnabas road. Sentence10: What day are they arriving, and how many nights are they staying? Sentence11: The alexander bed and breakfast is a cheap, 4 star guesthouse in the centre area, It has wifi and parking. Does this fit your needs? Sentence12: Can you tell me what the address is? Question: Who has spoken the sentence 4? (A) User (B) System
answer:
Answer: (A) User

question:
Sentence1: There are lots of local attractions, are you interested in architecture? Sentence2: No thank you. That will be everything I need today. You have a nice day. Sentence3: You're welcome! Have a nice day. Goodbye. Sentence4: I have confirmed a taxi picking you up at backstreet bistro at 24:45. The contact number is 07972785913. A blue volkswagen will pick you up. Can I help with anything else? Sentence5: Yes sure as long as the attraction is in the city center. Could you also provide me with the phone number and postcode of the attraction? Sentence6: Sure. I also need somewhere to eat. I'm thinking something on the expensive side and close to the college. Sentence7: Backstreet bistro is located in town centre. The address is 2 Sturton Street City Centre, phone 01223306306. Do you need any further assistance? Sentence8: Can I get one in the centre of town and looking for gastropub food. Sentence9: Of course. How about Saint Catharine's College, in postcode cb21rl? Phone is 01223338300. Sentence10: Backstreet Bistro is an expensive restaurant in the centre of town that serves gastropub food. Would you like more information or to make a reservation? Sentence11: Alright, there are 33 different restaurants around the college that are expensive. Is there a type of food you are looking for? Sentence12: Hi, I'm planning a trip to Cambridge and would like a few ideas on places to go for fun. Sentence13: Information, please! I'm not looking to make a booking at the moment. Sentence14: Yes, can you book a taxi between the two? I would like to leave the restaurant by 24:45. Question: Who has spoken the sentence 9? (A) User (B) System
answer:
Answer: (B) System

question:
Sentence1: I am looking for a mexican restaurant in south cambridge Sentence2: Nope, that's all I needed. Thanks for your help. Goodbye! Sentence3: Have a great day. Sentence4: Their address is 2G Cambridge Leisure Park Cherry Hinton Road Cherry Hinton Sentence5: That would be great, thank you. Sentence6: Yes. Actually can you make a booking for me? Sentence7: Do you have an expensive hotel that meets my other criteria? Sentence8: I can try to book it again. Sentence9: What day,number guests and time of day you would like to dine? Sentence10: Actually, can you just send me the address? Sentence11: Is the system back up now? Sentence12: There is a restaurant called Chiquito Restaurant Bar that is in the expensive price range. Do you want the address? Sentence13: There are several options that meet your criteria, what is your price range and what area are you looking for? Sentence14: I booked you at the gonville, your reference number is J782KUH9, anything else today? Sentence15: Sure. There are two. The Gonville Hotel, and The Lensfield Hotel. Would you like me to book one of those for you? Sentence16: Either of those sounds great. There will be 8 of us for 5 nights starting on Sunday. Can you book that, please? Sentence17: I am needing a place to stay with a star of 3 and free wifi please. Sentence18: Darn. Why don't we try booking it for tuesday instead then? Sentence19: I am unable to book either of those options. Is there anything else I can do for you? Sentence20: i need something cheap Sentence21: I don't have anything meeting that criteria. Can I try something else? Sentence22: I think the system is down, I am unable to make any bookings. Question: Who has spoken the sentence 11? (A) User (B) System
answer:
Answer: (B) System