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: I am also looking for a place to stay at a 4 star hotel near the restaurant. Sentence2: I was able to book a room for 5 people, 5 nights. Your reference # is 5DD52JOS . Can I help you with anything else today? Sentence3: I prefer something cheap. Sentence4: Yes, for 5 nights on the same day. I also need the reference number. Thanks! Sentence5: Lets go with charlie chan, I would like to to book a table for 5 people at 11:00 on wednesday. Sentence6: Okay, have a great day! Sentence7: Need a place to dine, chinese near centre. Sentence8: The Alexander Bed and Breakfast is cheap, would you like to book it? Sentence9: There are three options, charlie chan, rice house and golden house. Can I book you for one of those? Sentence10: Are either option cheap? Sentence11: There are two located in the same area. alexander bed and breakfast and university arms hotel? Sentence12: I think that is all I need today. Thank you for all your help. Sentence13: I have 10 places. Would you like a certain price range? Sentence14: Your booking was successful, the reference number is B1FIKA09 . Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Yes, and their phone number is 01223363682. Is there anything else I can help you with? Sentence2: Do they have free parking, and what is their phone number? Sentence3: Yes I can confirm that Warkworth house has internet, can I help with anything else? Sentence4: Can you tell me if warkworth house hotel has wifi. Sentence5: Sure. Glad to help. Sentence6: No, that's all I need, thank you. Question: Who has spoken the sentence 5? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: That should work as well! Please go ahead and book! Sentence2: The phone number is 01223337766. Can I help you with anything else? Sentence3: There is a train (TR7062) that leaves at 16:40, will that work? Sentence4: May I ask how many tickets you would like for that train? Sentence5: On second thought, I will go ahead and book later. We may need more tickets for some guests we might have coming. Thanks so much. Goodbye. Sentence6: Unfortunately, I haven't found any inexpensive restaurants that serve Scandinavian food. Would you be willing to look for a moderately priced restaurant instead? Sentence7: Actually that one is sold out however TR2001 leaves at 16:40 as well. Travel time is 28 min and price is 8.08 pounds. Sentence8: Thank you for using Cambridge TownInfo centre. Please remember us for all of your future travel needs. Sentence9: There are many trains that are available, could you give me some more information on what you're looking for? Sentence10: Yes I need to go to stansted airport from cambridge on saturday after 15:45. What are my options for this? Sentence11: I have found four different British restaurants in the Centre area with a moderate price range. May I recommend Restaurant One Seven? Sentence12: Yes, that sounds perfect. Can you tell me the price and travel time, or duration, on that one? Sentence13: Is there an inexpensive restaurant which serves Scandinavian food? Sentence14: Unfortunately there are no Scandinavian restaurants in that area. Would you like to try another type of cuisine? Sentence15: I also want to know about taking the train down there. Sentence16: How about british food? Sentence17: yes, that is fine. Please make sure it's in the centre of town. Sentence18: Yes, that sounds good, can I get their phone number? Question: Who has spoken the sentence 12? (A) User (B) System

SOLUTION:
Answer: (A) User