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: Booking was successful. Your reference number is : 1F0GOZ1D . Sentence2: Can you try 4 nights instead? Sentence3: I recommen a and b guest house. Should I book that? Sentence4: We have 6 total guesthouses in the east, any more preferences? Sentence5: Not particularly. Do you have one you would recommend? Sentence6: Yes, I would like free wifi and a 4 star rating. Sentence7: I'm looking for a guesthouse in the east please. Sentence8: funky fun house would be nice for you Sentence9: Great, could I also find someplace near the hotel to go for fun? Sentence10: Unfortunately there are no rooms available for Wednesday in the East. Could I look at a different location or day? Sentence11: please, For 2 people for 5 nights starting on Wednesday Sentence12: I have six places, is there a price range you have in mind? Question: Who has spoken the sentence 6? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: You're welcome and enjoy your stay. Sentence2: Can you help me find a hotel in the North part of Cambridge? Sentence3: I have two moderately priced hotels in the north for you. The Ashley Hotel and the Lovell Lodge. Would you like me to book one? Sentence4: Great I can take care of that. How many people? How long will you be there and when will your stay start? Sentence5: Booking was successful. The table will be reserved for 15 minutes. Reference number is : E4J0YE8W . Anything else. Sentence6: thanks very much to you! I am done now. Farewell! Sentence7: I would like to book the Ashley Hotel. Sentence8: Okay, be on the lookout for a grey honda. The contact # is 07374179224 Sentence9: There will be 7 of us arriving Sunday. We will be staying 3 nights. Sentence10: They do both have internet. Sentence11: Yes I am needing a restaurant that is the same price range as my hotel and in the same area. Sentence12: There are two; The Golden Wok which is a Chinese place, and The Nirala, with Indian cuisine. Which would you prefer? Sentence13: Does it have internet? Sentence14: I will go with The Nirala since I love Indian food. Please book it for 11:00 for the 7 of us on Sunday. Sentence15: I was able to book the room for you the reference number is HQKA3TBW . Can I help you with anything else? Sentence16: Yes, I want a taxi too. I'll need contact number and car type. It should pick me up at the hotel and arrive at restaurant by 11:00 Question: Who has spoken the sentence 11? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: That sounds great. Can you tell me their postcode, address, and phone number? Sentence2: You are very welcome. Have a nice day. Sentence3: Hi, I'm looking for information on a restaurant called efes. What type of food do they serve and will I need reservations? Sentence4: Whale of a Time is in the west. Does that sound good? Sentence5: Sure, it is located at unit 8, viking way, bar hill. Postcode cb238el, and phone number 01954781018. Is there anything else I can help you with? Sentence6: I want a taxi to take me from the attraction to my restaurant in time for my reservation. Tell me the car type and contact number for the taxi too. Sentence7: Yes, please. I will need a table for 4 at 18:30 on Saturday. Thank you. Sentence8: Efes serves turkish food and is located at king street city centre. I can book a reservation for you if you would like. Sentence9: That is all for today. Thank you for your time. Sentence10: Can you also help me with places to go in the west of town? I'm looking for entertainment. Sentence11: Alright, I have made your reservation. The reference number is ID46B4KQ . Sentence12: A black tesla will arrive. Reach them at 07424011188. Is that everything for today? Question: Who has spoken the sentence 1? (A) User (B) System

SOLUTION:
Answer: (B) System