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: There are 2 expensive French restaurants. Restaurant Two Two, and Cote. Which would you like to book? Sentence2: No, that's everything I needed today. Thank you. Sentence3: Are you able to find me a french expensive restaurant? Sentence4: You're quite welcome! Thanks for contacting the Cambridge TownInfo Centre and have a great day! Sentence5: I like the sound of Restaurant Two Two, could you give me their postcode, address and phone number? Sentence6: Restaurant Two Two is located at 22 Chesterton Road, Chesterton. Their postcode is cb43ax. You can reach them at 01223351880. Any other information I can provide? Question: Who has spoken the sentence 5? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Yes please. Please make sure the restaurant has a table available for booking for seven people on sunday at 13:15. Sentence2: Glad to be of service! Goodbye! Sentence3: I would really like to get really great Chinese food. Can you suggest an expensive chinese place? Sentence4: Yes! There are 5 that I have found. One in the East, 2 South, 1 North and 1 Centre. Would you like the address of any of them? Sentence5: I have 4 swimming pools to choose from. 2 are in the north, and I have one in the east and centre. Do you have a preference? Sentence6: I don't have a area of town preference. Sentence7: Sure! Abbey Pool and Astroturf Pitch is at Pool Way, Whitehill Road, off Newmarket Road. Would you like the phone number? Sentence8: What type of food. Sentence9: Hey I am looking for a swimming pool to go to while in Cambridge. Can you find me one Sentence10: Great that's all I needed. Thanks for your help. Bye. Sentence11: naw, but i'm looking for some food Sentence12: Sure, there are a number of options. Is there a particular area of town you were interested in? Sentence13: I think the one in the East would be best. Can you give me an address for it? Sentence14: I booked you a table at Hakka (ref #7K0C5AJN). They're on the east side at Milton Road, Chesterton. Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: how about a star of 3, then? Sentence2: Oh, sorry. 17:15 on Friday. Sentence3: What about the Ashley hotel? Sentence4: That would be great. Can you get me the postcode for the hotel, please? Sentence5: They are located in the centre of town. Would you like a reservation? Sentence6: Thank you for your call. Have a great trip! Goodbye. Sentence7: They serve British food. Sentence8: I'm happy to help you with that. I just need to know your destination and I can book that for you. Sentence9: I need to be picked up at 17:00 from Ely. Sentence10: I was told about a great place to eat called the copper kettle. Sentence11: Can I please book a taxi from the hotel to the restaurant? Sentence12: What kind of food do they serve? Sentence13: sure thing it is cb41er, anything else today? Sentence14: Where and when do you want to be picked up? Sentence15: no I think that just about covers it, thanks Sentence16: I am sorry but I am not finding anything that matches your request. How about a different ratinge or area? Sentence17: I'm sorry. I'm not finding any results that match your criteria. Would you like to try a different location? Sentence18: Yes, I would like a reservation for 4, please. I would also like a place to stay. Sentence19: Booking was successful. The table will be reserved for 15 minutes. Reference number is : BZIAV28X . Tell me about your hotel requirements. Sentence20: I need the taxi to commute between the hotel and the restaurant. I have my restaurant reservation, but I still need to find a 2-star hotel in the south. Sentence21: it should be a 2 star in the south and should be the type of a hotel. Sentence22: Okay, let's start with the hotel. As I'm looking, I don't see a 2-star hotel in the south. Would another rating suit your needs? Sentence23: Alright, but first, for that reservation, what time and day would you like? Sentence24: OK, I have one hotel located in the south, the lensfield hotel, and it is a 3 star. It's expensive, is that ok? Sentence25: If there isn't a 2 star hotel, a 3 star hotel will do. Sentence26: No I need something cheap really do Sentence27: sure thing a blue bmw will be picking you up and the contact number is 07240838121, anything else today? Sentence28: no. then find me a taxi Question: Who has spoken the sentence 16? (A) User (B) System

SOLUTION:
Answer: (A) User