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: Okay. Can you tell me how much it costs to get in? Sentence2: No thank you, that is everything. Sentence3: I am looking for an architecture attraction somewhere in Cambridge. Sentence4: You're welcome. Have a good day! Sentence5: There are 5 different attractions all located in the centre of the city. I'd recommend holy trinity church. Sentence6: The vehicle you will be expecting is a black Tesla . The contact number is 07726876557. Anything else you need? Sentence7: Your hotel is booked starting Wednesday and your reference number is PADGS18 . May I assist you with anything else today? Sentence8: I have booked you a taxi that will pick you up at 1:15 from Holy Trinity Church. Would you like the car type and contact number? Sentence9: Yes, what can you tell me about a hotel called the Warkworth House? Sentence10: I would like to book it for 8 people for 2 nights starting on wednesday. Sentence11: Yes, please, that would be nice. Sentence12: It is free. Is there anything else that I can help you with? Sentence13: Actually, yes. I need a taxi to pick me up from Holy Trinity Church at 1:15 and take me to the hotel. Sentence14: Hey, the Warkworth is in the East part of town, it's a four star hotel with moderate pricing. What can I tell you about it? Question: Who has spoken the sentence 10? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Could you check the spelling(city centre north b and b) and try to search again? Sentence2: The TR2512 takes 51 minutes. Anything else you need? Sentence3: I will be traveling on Thursday. Sentence4: It is a cheap, 0 star guesthouse located at 328a histon road on the north side. It has free internet and parking. Phone number and postcode are 01223312843 and cb43ht. Sentence5: Yes I am looking for information on a hotel called City Center North B and B. Sentence6: Sure! give me the following information: Day of visit, number of people and number of days that you will be staying. Sentence7: I cannot find that hotel. Any other hotels you would like to find? Sentence8: You're all set. Your reference number is HOSVDEGA . Can I help you with anything else today? Sentence9: Do you have a time preference? Sentence10: Well that will not work. Sentence11: I need to arrive by 14:15. Sentence12: there are many trains but you need to tell us which day you want to travel Sentence13: I am also looking for a train into Cambridge from London Kings Cross. Sentence14: Please book for 2 people starting on thursday for 4 nights. Sentence15: enjoy your stay in Cambridge! Sentence16: The TR2512 will fit your needs. Would you like to book this train? Sentence17: The first train leaves at 5:17. Sentence18: Thank you. Are you able to book that for me? Sentence19: Not at this time. What is the travel time for that train, please? Sentence20: no that will be all thanks Question: Who has spoken the sentence 19? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: I'm not so concerned about the area, but I'm looking for something cheap. I won't need to use parking. Sentence2: I am sorry there are none located in the centre. Something else perhaps? Sentence3: I'm sorry, our signals may have gotten crossed. What would you like to know the entrance fee, address, and phone number for? Sentence4: Does it include free wifi? Sentence5: What about something moderately priced that's in the centre instead? Sentence6: Is there another one that is in the cheap price range that includes free wifi? Sentence7: That's great can you give me the phone number, postcode and address for Alexander Bed and Breakfast? Sentence8: I am sorry. That was my mistake. I h ave all the information I need, thank you. Sentence9: Is there anything else that you might need? Sentence10: Im looking for a place to eat eritrean food at the centre. Sentence11: Restaurant one seven is a good one. Would you like to book it? Sentence12: Ok Thank you and have a great day. Sentence13: British food sounds good. What options do I have? Sentence14: Phone is, 01223337766. Adress starting with post code is,cb21ab De Vere University Arms Regent Street City Centre Sentence15: My apologies. Actually, Alexander Bed and Breakfast does include free wifi. I have confirmed that information. Sentence16: I also need a place to stay. Sentence17: I'm sorry, after searching I was unable to acquire any information about the hotel and weather it has wifi. Sentence18: I am not quite ready to book a table, but may I have the address of the restaurant including the postcode and the phone number? Sentence19: Sure, it's at 56 saint Barnabas road, Cb12de. The phone number is 01223525725. Would you like me to book you a room? Sentence20: Nah, that won't be necessary. Sentence21: entrance fee, address, and phone number Sentence22: I'd be happy to help you acquire lodgings. What part of the city would you like to stay in, and what amenities do you prefer? Sentence23: Alright, I have Alexander Bed & Breakfast already in centre, very affordable and 4 stars. Does that interest you? Sentence24: OK, there are a lot of moderately priced restaurants in the centre. How do you feel about british food? Question: Who has spoken the sentence 20? (A) User (B) System

SOLUTION:
Answer: (A) User