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: That's all I need. Thank you! Sentence2: Yes, please. Table for 8 at 15:00 on wednesday. Sentence3: I can't wait to get to Cambridge and try some of the restaurants I've heard about. Can you tell me about one of them? I think the name is Little Seoul. Sentence4: Thank you for contacting Cambridge TownInfo centre. I hope you have a nice trip! Goodbye! Sentence5: I have a train leaving cambridge at 11:36 and arriving in norwich by 12:55. Would you like me to book that for you today? Sentence6: I'd like to arrive in Norwich by 13:15 if possible. Sentence7: Can we do the same day at 14:00 instead? Sentence8: I'm so sorry, but Little Seoul was unable to accommodate that reservation. Would you like to try a different day or time? Sentence9: Little Seoul is a Korean restaurant in the city centre which is in the expensive price range. Would you like me to book a table for you? Sentence10: The booking was successful, reference number is 0F3L674U Sentence11: Thats is great, I need it for 8 people as well, and can I get a reference number as well please? Sentence12: Where will you be wanting to go? Sentence13: Great I also need to get a train on thursday leaving from cambridge. Sentence14: Sure thing. Your booking was successful. Your reference number is : WOWBP7SK . Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: I would prefer the north please. Sentence2: I have found 13 of them. Can you please be more specific about what you would like? Sentence3: I'd like to find a college to visit in the center of town. Sentence4: No thank you that will be all Sentence5: I would suggest the acorn guest house it is a great place to stay. Sentence6: That will be fine. I'll need to book for Saturday, 3 nights, and 1 person. Sentence7: You're all set! Your reference number is 41BK9PC7 . Sentence8: moderate price range thank you Sentence9: There are 32 hotels that offer free internet, is there a price range or area you prefer? Sentence10: Actually one more thin, I need a taxi from the hotel to the restaurant, I want to leave at 09:45. Sentence11: Thank you! Can you also help me find a place to stay with free wifi? Sentence12: I narrowed it down to 17. What part of town would you prefer and do you want free parking? Sentence13: No that will be it for today. Sentence14: I recommend Emmanuel college. Their address is saint andrew's street Sentence15: Okay, I booked a yellow honda and their contact number is 07225232221. Do you need help with anything else? Sentence16: You can choose one for me and give me the address. Question: Who has spoken the sentence 7? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: I'd actually like to book a taxi to commute between those two places you found for me. I need to leave the hotel by 09:15 please. Sentence2: Can I help you with anything else today? Sentence3: Unfortunately, the hotel is not available for your criteria. How about checking another hotel? Sentence4: The Curry Garden is located at 106 Regent Street City Centre, postcode cb21dp. Would you like to conduct more searches for other locations? Sentence5: Is it available for 4 nights starting from Sunday for 6 people? Sentence6: The Curry Garden is a popular choice. Sentence7: I need a hotel with free wifi but I don't need free parking. Sentence8: I'm looking for one that is moderately priced and don't have a preference on where exactly it is. Sentence9: Let's go with that. What's the address? Sentence10: thank you for your help goodbye Sentence11: Thank you, I also need a place to eat in the centre of town. Sentence12: I found quite a few options for you. Could I narrow it down by price range? Sentence13: I'm looking for Indian food, please. Sentence14: The Ashley hotel is the North and is priced at moderate. Sentence15: I was able to book that, reference number is 49SWXAT1 . Sentence16: Sure! I have booked a yellow BMW to pick you up at 09:15 from your hotel. The contact number for the taxi is 07744629357. Sentence17: No That is all. Again thank you. Sentence18: Thank you and good bye! Sentence19: could you try the same one, three nights only? Sentence20: There are over 30 to choose from. Is there a certain part of town you prefer? Sentence21: Great! Thank you for your help. Sentence22: No, price does not matter. Right now I'd just like a recommendation. Sentence23: Thank you for using the Cambridge TownInfo centre. Have a good day. Sentence24: Yes can we narrow it done by food type or price range? Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION:
Answer: (A) User