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: Booking was unsuccessful. Do you have a different time preference? Sentence2: Is it in the expensive price range? Sentence3: Yes book a table, thank you. Sentence4: I was happy to help, enjoy your meal. Sentence5: Sure, try booking that one for the same people, date, and time, please. Sentence6: Can you please give me a day and time that you would like to book a table for? Sentence7: No, that's all I need. Thank you for your assistance! Sentence8: I am looking for Korean food, in the Centre of town. Sentence9: No. How about finding another restaurant in the same area and price range. Sentence10: I've booked your table for 7 people on Monday at 13:45 at Kymmoy. Your reference number is 1MS5BUU6 . Is there anything else I can help you with today? Sentence11: There is one Korean restaurant in the centre, Little Seoul. Would you like the address and phone number? Sentence12: How about Kymmoy? It's an Asian restaurant in Expensive price range, located in Centre area. Sentence13: Yes, it is expensive. Are you interested in booking a table there? Sentence14: 13:45 on monday and a table for 7 please. I will need a reference number too. Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Phone is 01223505015 and postcode cb11ln. Would you like me to get you a table? Sentence2: No that's all. Thanks so much! Sentence3: I booked you on TR8399 arriving at 10:07. Booking was successful, the total fee is 17.6 GBP payable at the station . Reference number is : AVBKNMXQ . Sentence4: Thank you very much. Sentence5: I'm looking for an expensive restaurant that serves european food while I'm in Cambridge. Sentence6: Darry's Cookhouse and Wine Shop is located at 40270 King Street at the City Centre. Would you like their phone number? Sentence7: Yes, please, and their postcode as well. Sentence8: You are welcome. Enjoy your stay. Sentence9: No. But I need a train going to Ely. Sentence10: Where are you travelling from and what time? Sentence11: I am departing from cambridge on monday and I need to arrive to Ely by 11:15. Sentence12: You choose one please. I need it for 4 people. Sentence13: Is there anything else I can help you with? Sentence14: I have 3 trains available leaving at 06:07, 08:07, and 10:07. What time would you like to leave? Question: Who has spoken the sentence 6? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: It really needs to be 19:00 for 3 people on Tuesday at La Raza. Can you try again please? Sentence2: Can I please have the exact address location? Sentence3: I can recommend the Cambridge University Botanic Gardens, it's both peaceful and interesting. The entrance fee is 4 pounds. Does that sound like what you're looking for? Sentence4: I am happy to have been of assistance. Have a great day. Goodbye. Sentence5: There are many things to do in the centre is there a type of attraction you are looking for? Sentence6: No, I just need the reservation for that time and place. Sentence7: That sounds wonderful, what is the address on that? Sentence8: Yes, please. Sentence9: And where are you leaving from? Sentence10: I was able to book that taxi for you. Be looking for a red Ford. If you need to reach them, their phone number is 07033355721. Anything else for today? Sentence11: Yes, thanks! I also need a table at La Raza, please. Tuesday, 3 people, at 19:00. Sentence12: Sorry, that was also unsuccessful. Sentence13: La Raza is completely booked at that time, I apologize for the inconvenience. Would you like to try an earlier reservation? Sentence14: Okay. Thank you very much. Sentence15: Okay, well, I'll take my chances on availability when I get there. I also need a taxi to get to the restaurant by 19:00. Sentence16: The Botanic Gardens are located on bateman street. Is there anything else I can help you with today? Sentence17: Is there another time you'd like to try, it is not avaialble. Sentence18: How about 18:00? Sentence19: I am looking for attractions in the centre. Sentence20: Yes, 3 people at 19:00 on Tuesday. If that doesn't work, I'll just call and book it myself. Sentence21: Really? Can you try one more time? I really wanted La Raza on Tuesday for 3 people at 19:00. Sentence22: I'm sorry that time is not good either, are you positive you need it for 3 on Tuesday? Sentence23: Did you want to try earlier? Sentence24: Any place would be great. Sentence25: The Botanic Garden at Cambridge University Sentence26: Cambridge University Botanic Gardens is located on bateman street. Does this help? Sentence27: I was unable to book that time. Would you like to try another time? Sentence28: Unfortunately they are booked at this time. Can I possibly try a little bit earlier or later for you? Question: Who has spoken the sentence 27? (A) User (B) System

SOLUTION:
Answer: (B) System