TASK DEFINITION: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
PROBLEM: Sentence1: Thank you very much for your help. Sentence2: How about a 2 star rating in the moderate price? Sentence3: Great. Is there anything else I can help you with today? Sentence4: You have a room at the Ashley, reference number 1IIKBZBL . Sentence5: How about some restaurant suggestions within walking distance of the hotel. Any indian cuisine or african cuisine that's expensive? Sentence6: Sweet! Can I also get some information on hotels? Sentence7: Sorry about that, I can look for a restaurant later. That's actually all I need today, thank you! Sentence8: I show 79 of them, is there a certain area of town you prefer? Sentence9: how about broughton house gallery? Sentence10: Of course, ashley hotel and lovell lodge both meet that criteria. Would you like to book with one of them? Sentence11: Ok great! Thank you for reaching out to Cambridge TownInfo centre, I hope you enjoy your stay! Goodbye! Sentence12: Does it have free wife and parking? Sentence13: Surprise me! I'd like the address, fee and postcode. Sentence14: Sure. I have 33 hotels in my database. Can you please provide me with the area, price range, and features you are looking for? Sentence15: Either one is fine, I need to book for 1 starting sunday, 4 nights. Sentence16: the broughton house gallery is located on 98 king street, is free to enter, and the post code is cb11ln. Sentence17: I am looking for places to go. Can you tell me about some museums? Sentence18: No, it doesn't. Sorry about that. Question: Who has spoken the sentence 1? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: How about the Hundington Marriott Hotel in the west? It gets 4 stars. Sentence2: Is that a 1 star hotel? Sentence3: I do not have a preference on the area. Sentence4: Can you look for a 4 star hotel in the same price range? Sentence5: No thank you that will be all Sentence6: Okay, in what area? Sentence7: Yes, it is called Nusha. Sentence8: Well, if you are sure, I hope you have a great visit! Thank you. Sentence9: Maybe I could help. Do you know the name of it? Sentence10: I would recommend the university arms hotel, which is centrally-located and offers free wifi and parking. Does that interest you? Sentence11: I've located Nusha and it's in the South. It's located in Cambridge Leisure Park on Clifton Road. Sentence12: Ok, thank you. I also need to find a hotel that is expensive. Sentence13: I have an attraction in mind that I need help finding. Sentence14: No. I'm sorry. It's not a 1 star establishment. Is there anything else I can help you with today? Question: Who has spoken the sentence 9? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Not really. Would you be able to recommend one? Sentence2: Yes, thanks! Can I also get a taxi from All Saints to the Golden Curry? I need to make sure I make it there by the reservation time. Sentence3: No. As long as its in the same area, please book me a table for 2 at 15:00 for monday. Sentence4: All Saints Church has great architecture and is free. Sentence5: You're all set! You'll be picked up by a blue Volvo; the contact number is 07138116280. Can I help you with anything else? Sentence6: No, thank you. I think I have everything I need at this time. Sentence7: Thank you for using our services. Have a wonderful day! Sentence8: There are lots of attractions in the centre! Do you have a specific type in mind? Sentence9: Great! How about the golden curry, expensive price range restaurant in city centre. I have made reservations as requested. Your reference #aycp806a . Will this work? Sentence10: Sounds great. Can I get their address and phone number please? Sentence11: i am looking for attractions in the centre part of town. Sentence12: I am also looking for an Indian restaurant in the same area. Sentence13: All Saints is on jesus lane, phone is 01223452587 Sentence14: There are several, do you have a particular price range in mind? Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION:
Answer: (A) User