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: Not really but I would like to make a reservation for 7 people at 16:45 on a Friday. I will need the reference number as well. Sentence2: I also need to get a taxi to go from the hotel to the restaurant. I need it to arrive at 16:45. I'd like the contact number and the car type. Sentence3: The car type is a White Volkswagen and the contact info is 07869317817. They will pick you up in time to have you at the restaurant by 16:45. Sentence4: Hi! I'm planning my trip to Cambridge and I was wondering if you had information on any Mediterranean restaurants located in the centre of Cambridge? Sentence5: I was able to book the table for you the reference number is HH5J45Z5 . There are many guesthouses to chose from, what area do you want to stay in? Sentence6: Thre are 3 such places. Do you have a price range? Sentence7: Thank you so much, thats all I need Sentence8: I would like to recommend the gardenia is that okay to book? Sentence9: I don't seem to have a preference but I wiukd like a moderately priced place with free parking. Sentence10: Could I have the postcode and how many stars of the hotel? Sentence11: You're very welcome! Have a great stay! Bye! Sentence12: Can I reccommend acorn guest house in the north,it has free parking and moderately priced? Sentence13: Yes. That sounds good. Do you have any moderate priced guesthouses available? Sentence14: The postcode of Acorn Guest House is cb41da. Question: Who has spoken the sentence 8? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: I recommend university arms hotel. it is rated 4 stars and is expensive. Their number is 01223351241. Sentence2: Can you help me find a place to eat serving british food in the moderate price range? Sentence3: I have several listings. Please provide the part of town you prefer so I can narrow it down. Sentence4: Ok, can you book a room for our group or are you expecting me to call them? Sentence5: Yes, I'd like a hotel in the same area. Sentence6: In the centre if possible Sentence7: can please provide more information to help us serve you better. Sentence8: No thank you that will be all for today Sentence9: I can book it for you. Sentence10: Yes please, could you book a table for 6 at 16:45 on Wednesday? Could i get a reference number too please? Sentence11: sure I can help you with that, when are you planning your stay? Sentence12: i dont mind any price. Sentence13: How about the oak bistro located at 6 lensfield road. The post code is cb21ab and phone number 01223323361. Can I book this for you? Sentence14: I actually need a moderate hotel in the centre. I don't need free parking. I will need the hotel booked for 6 people, 2 nights, on Wednesday, please. Sentence15: You have your choice of an expensive or moderate price range in that area, do you have a preference? Sentence16: Wednesday, for 2 nights. Sentence17: Ok. I have a table for 6 booked for you at the Oak Bistro. Your reference number is 9SGIM1SR . Is there anything else I could help with today? Sentence18: It needs to be close to my hotel and open late. Question: Who has spoken the sentence 5? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: TR4800 leaves at 07:54 and arrives in Cambridge by 08:43, would you like to book a seat? Sentence2: Will you also check the hotel called Lovell lodge? Sentence3: I am looking for a train that'll leave on friday. Sentence4: Yes can you make me a booking for 8 people? Sentence5: I was able to book that room for you, ref #8XZZ0TYE . Can I help you with anything else? Sentence6: Booking was successful, the total fee is 102.4 GBP payable at the station. Your reference number is 0B1WJ9DR . Will that be all? Sentence7: You're welcome! Have a great day. Sentence8: Great I also need the lovell lodge for 8 people for 2 nights starting wednesday. Sentence9: I'm going to Stevenage from Cambridge. I need to arrive by 09:15. Thanks for your help! Sentence10: I'm sorry, I had to re-book your train, as I had the stations backwards. TR2515 will get you to Stevenage by 6:10. Fee is 102.4 GBP, REF. #N3H045K3 . Sentence11: We have over 400 results. Can you provide me with more information, such as departure site and destination? Sentence12: That is all, you were very helpful. Question: Who has spoken the sentence 5? (A) User (B) System

SOLUTION:
Answer: (B) System