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: 4 people please. Sentence2: What area is it in? Sentence3: I'm looking for a hotel to stay in. I prefer something in the expensive price range, and also one that offers free parking. Sentence4: I also need a train going to Leincester from Cambridge. I want to leave on Monday and arrive at 13:00. Sentence5: Booking was successful. Reference number is : H9CE5KK3 . Can i help you with anything else? Sentence6: The gonville hotel is in the centre area and the lensfield hotel is in the south area. Would either of these hotels work for you? Sentence7: The gonville hotel may be a good option. Sentence8: Which day would you be arriving at the hotel, and how long will you be staying? Sentence9: yes can you please. thank you Sentence10: In that case, you'd prefer The Lensfield. Do you need to book a room? Sentence11: Wednesday for 4 people, just one night. Sentence12: i want the one in the south Sentence13: I'd like a place with 3 stars. Sentence14: The Lensfield Hotel or Gonville Hotel both meet your criteria. Would you like me to make a reservation for you at either option? Sentence15: How many tickets do you need? Sentence16: Your tickets have been booked. Your reference number is 6F8IVDHH . Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: There are 8 trains. The latest one that would get you there on time leaves at 8:48 and arrives 9:38. Would you like me to book a ticket for you? Sentence2: Where are you traveling to and from? Sentence3: Thank you very much for all of your help. Sentence4: I am looking for a restaurant called Galleria. Sentence5: Would it be possible to book the same restaurant at 15:45? Sentence6: The travel time is 50 minutes and it costs 13.20 pounds. Sentence7: Okay you are welcome! Thank you for calling. Sentence8: I have made the reservation for 3 for Sunday at 15:45 at Galleria. Your reference number is DUY4H6WY . Is there anything else I can do for you? Sentence9: I've found Galleria, it is located at 33 Bridge Street in town centre. Would you like to make a reservation? Sentence10: Departure is Peterborough and arrival is Cambridge. Sentence11: Yes. I would also like to take a train on Sunday arriving by 09:45. Can you help me with that? Sentence12: Yes! I'd like a reservation for this Sunday at 16:45 for three people. Sentence13: Please give me travel time and the price, please. Sentence14: I'm sorry, but that time and day is unavailable. Would you like to try another day and/or time? Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: You're welcome and if you need anything else feel free to contact us. Sentence2: Yes, can you please book a table for 1 for 17:15 on Thursday. Could I have the reference number please? Sentence3: Area doesn't matter. Can you pick one to recommend? Sentence4: If you'd like to eat in the city center, I recommend the curry garden. Their phone is 01223302330. Can I book you a table? Sentence5: Booking was successful, your table will be reserved for minutes, and your reference number is J37KC1PB . Anything else I can help you with? Sentence6: Thanks all I need thanks ! Sentence7: What area would you like to dine in? Sentence8: Hello, I'm looking for an expensive indian restaurant. Question: Who has spoken the sentence 1? (A) User (B) System

SOLUTION:
Answer: (B) System