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 that works. I also need a taxi to get between the guest house and restaurant. Sentence2: I'd also like the hotel type and internet status, please. Sentence3: found it, de luca cucina and bar is modern european centre of moderate price range. phone number is 01223356666 code,cb21aw and is located on 83 Regent Street Sentence4: Thank you, I want to book a table for 8 people at 11:30 on saturday. Sentence5: No just need the address and do they have free internet? I am also looking for a nice place to eat called the de luca cucina and bar Sentence6: It is a guesthouse, cheap, wifi and parking. Would you like to reserve it? Sentence7: Worth House has internet and parking. Will that work for you? Sentence8: Ok, a black bmw will pick you up in time to arrive for your reservation at de luca cucina and bar. The taxi's number is 07228077167. Anything else? Sentence9: Found it! It is located in the north and it is cheap. Would you like to make a reservation? Sentence10: Thanks. What was the address for Worth House? Sentence11: warkworth terrace is the address, anything else? Sentence12: Thank you, please contact us again if you'd like additional assistance. Have a great day! Sentence13: I'm looking for a hotel named Worth House Sentence14: That is all thanks for your time. Sentence15: Is that a hotel or guesthouse? And, do they have free internet? Sentence16: I was able to book it the reference number is 3EZLDF7Q . Question: Who has spoken the sentence 8? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Booking was successful for the bridge guest house. Your Reference number is : LBEOV690 . Sentence2: Yes please. Which is the cheapest? Sentence3: Thank you. Have a nice day. Sentence4: No. I would like to make a reservation for Wednesday for 3 nights and 8 people. I will also require a reference number. Sentence5: I was unable to book your stay at any of the three hotels. Would you like to change the length of your stay or change the day? Sentence6: There are 2 hotels with a 3 star rating and free parking. Would you like to stay in the centre or south? Sentence7: Sorry, I was mistaken. There are 3 guesthouses matching your request. One each in the south, north, and west. Would you like to book one? Sentence8: Thank you. Have a nice day. Sentence9: Can you please try a 2 day stay. Sentence10: I can only tell you they are all in the moderate price range. Do you have any other preferences? Sentence11: I am looking for a hotel with a 3 star rating and free parking Sentence12: Either is fine. I'd like a guesthouse. Question: Who has spoken the sentence 5? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Actually, I just needed the tickets. That is all for now. Thanks. Sentence2: I can work on booking that for you. I will be back with you shortly. Sentence3: Not sure. I'm strapped for cash, is it in the cheap price range? Sentence4: Can you book one of them for 3 people? Sentence5: I would like to check in on Tuesday. Sentence6: You're welcome, have a great day. Sentence7: You are all set, the reference number is 439JME60, can I help you with anything else? Sentence8: What day will you be checking in and for how many nights? Sentence9: Acorn guest house is available, would that work for you? Sentence10: Yes I am looking at a train that departs Stansted Airport for 3 people. Leaves Tuesday and arrives in Cambridge by 16:30. Sentence11: Ok, what kind of information about Cambridge do you need? Sentence12: Were you able to book it? Sentence13: You booking for 3 tickets on the TR9892 was successful. Your Reference number is : U5A2ZTWU . Is there anything else I can help you with today? Sentence14: city centre north b and b is on the cheap side or worth house. Sentence15: For 5 nights please. Sentence16: I would like a hotel that is in the north, has free parking, and is a guesthouse. Sentence17: and how many nights? Sentence18: great, what area are you thinking of? Sentence19: Yes, that would be great. I'll need three tickets, please? Sentence20: Train TR9892 leaves at 5:24 and arrives by 5:52 would you like me to boko that for you? Sentence21: I need to find an indian restaurant. Sentence22: I am looking for information in Cambridge Question: Who has spoken the sentence 9? (A) User (B) System

SOLUTION:
Answer: (B) System