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: Yes, after 8:30 would be best. Sentence2: I have booked you a train ride on TR6488 which will depart at 09:21 and will arrive at 10:10. The total fee will be 10:24GBP. Would you like the reference number? Sentence3: No thank you. Thanks for your help. Sentence4: Great, thank you. That's all I needed. Sentence5: What is the total travel time? Sentence6: The post code is cb21ab and the phone number is 01223323737. Where would you like to book a train to? Sentence7: Where are you departing from? Sentence8: I would like the post code and phone number for the restaurant please, and I would like to book a train. Sentence9: The total travel time will be 49 minutes. Sentence10: You're welcome. Is there anything else I can do for you today? Sentence11: I'm leaving from Cambridge. Sentence12: I think something cheap. If not, go up to moderate. Sentence13: Do you have a time in mind? Sentence14: Good day to you. Sentence15: I suggest pizza hut city centre, it has a cheap price range. Would you like me to book it or would you like more information? Sentence16: Yes, Please book the reservation. Sentence17: I need to go to Stevenage on Sunday. Sentence18: I'd be happy to book a table for you. Please let me know the day, time, and the number of people in your party. Sentence19: There are nine of them. What price range do you prefer? Sentence20: I am looking for an Italian restaurant located in the centre of Cambridge. Question: Who has spoken the sentence 15? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Then you are all set? Sentence2: I booked you a black volvo. The driver can be reached at 07410117478. Is there anything else I can help you with today? Sentence3: I'm sorry, I clearly wasn't paying attention. Yes that is all I need. Sentence4: Booking was successful. The table will be reserved for 15 minutes. Reference number is : 0IJIWWQ9 . What else can I help you with? Sentence5: We have five hotels that meet that criteria, are you looking for a specific part of town? Sentence6: Yes. Have a great day. Sentence7: Anything in the centre would be fine, whatever you recommend. Sentence8: Regretfully, I don't have a listing for Venetian cuisine. Do you have a second choice? Sentence9: I'm looking for a place that has 3 stars and free parking. Sentence10: There are over a hundred restaurants to chose from do you have a price range? Sentence11: Does that one have free internet as well? If so it will work great for me. Sentence12: Yes I can. What type of place to stay would you like? What area of town? Sentence13: Yes the hamilton lodge is 3 stars moderately priced and offers free wifi and parking. Sentence14: There are 4 results. restaurant one seven, the oak bistro, the copper kettle, and cotto. Would you like more information on any of those? Sentence15: Sadly, I don't have access to that information. The Oak Bistro might be a good choice. Their phone number is 01223323361 if you'd like to call them Sentence16: Thanks, I need a taxi to commute between the two places. Sentence17: I am not looking for a specific area, but I would like for it to be in the moderate price range, please. Sentence18: Definitely something moderately priced. If you can't find Venetian, how about British? Sentence19: Thank you for calling. Sentence20: I'm looking for a restaurant that serves venetian food. Sentence21: Yes, please. Find out which of the four restaurants have vegan options, please? Sentence22: How about the hamilton lodge it's located in the north. Sentence23: I am traveling between the two places discussed, I need to reach the restaurant by the booked time. Sentence24: I can help you book a taxi but first I need some information - where are you leaving from and what's the destination. Also what time do you want to leave? Sentence25: I also need a place to stay. Can you help with that? Sentence26: Okay, well, let's go ahead and book a table for one at 11:30 on Tuesday. Question: Who has spoken the sentence 18? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: No thank you, that is all I need right now. Goodbye. Sentence2: Of course, thanks! I'll be traveling on Tuesday, departing from Stevenage. Sentence3: The entrance fee is free and its located in the west area. Churchill college is a college. Sentence4: Okay, and is there anything else you need help with or will that be all? Sentence5: I need a train for tuesday leaving after 13:15. Do you have one? Sentence6: Yes, it is located in the west. Address is Storey's way. It is free to enter. Sentence7: The ID is TR1830 and it leaves at 13:54 and arrives by 14:43. Do you want me to book it? Sentence8: I have 229 results for trains leaving after 13:15, could you be more specific on where you want to depart/arrive and what day you are traveling? Sentence9: Thank you for contacting Cambridge TownInfo Centre. Have a great day! Sentence10: That sounds good. Can I get the train ID and the departure/arrival times? Sentence11: Just want to make sure I understand you correctly, Churchill College is a college, but what type of a attraction is it? Is it a college museum? Sentence12: The travel time for TR1830 is 49 minutes. What would you like to know about churchill college? Sentence13: What sort of place is it, and what area of town is it in? Sentence14: No thank you. Sentence15: First train leaves at 13:54 on tuesday Sentence16: It appears to be listed as a college in the West. Is there any other information on it you would like? Sentence17: Not right now, thanks. But can you tell me a little about Churchill College? Sentence18: Great, and what type of attraction is Storey's Way? Also, backing up a bit, can you give me the travel time for Train TR1830? Question: Who has spoken the sentence 1? (A) User (B) System

SOLUTION:
Answer: (B) System