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: What day are you travelling? Sentence2: You are very welcome. Enjoy your day too. Bye. Sentence3: I'd like to book 3 tickets on the train arriving at 19:08, please. And would it be possible to have a reference number for the booking? Sentence4: I will need to leave from Cambridge if that's ok Sentence5: I have a train that arrives earlier at 18:08 and one that arrives just before your specified time at 19:08. Sentence6: Sure. Where will you be leaving from? Sentence7: I was wondering if you could help me in finding a train to the airport. Sentence8: OK, you have 3 tickets reserved on TR4447, departing Cambridge at 18:40, arriving Stansted at 19:08. Total fee is 30.29 GBP. Reference #5VRJSMSE . Will that be all today? Sentence9: Yes, it will. Thanks so much. Have a nice day. Sentence10: On Wednesday. I need the train to arrive by 19:15. Question: Who has spoken the sentence 7? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: I would actually like to book it for 8 people, not 3. Sentence2: Could you reserve the one in the centre of town for 3 nights starting Monday? There will be 3 of us. Sentence3: You're welcome. Glad to help! bye bye! Sentence4: Sure no problem. So the hotel is huntingdon marriott hotel and your reference number for the booking is 34BAQ2WK . Is there anything else I can help? Sentence5: I am looking for a hotel in the expensive price range. Sentence6: Unfortunately, I wasn't able to book you for the day and time you wanted. Would another day or time be alright? Sentence7: No, it doesn't matter. I would like a 4 star hotel with free parking though. Sentence8: That's great. I'm all set , thank you! Sentence9: There are 5 expensive hotels available. Did you have a preference as to area of the hotel? Sentence10: There are two, one in the west and one the centre of town. Sentence11: I couldn't book that one either. Would you like to change your criteria? Sentence12: Okay, could you try the other one, please? Question: Who has spoken the sentence 1? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: There is one named the Nirala. WOuld you like me to book it for you? Sentence2: Sure. On what day, for how long, and for how many people? Sentence3: I have that taxi reserved look for a grey tesla with a contact number of 07741826519. Sentence4: Ok. There are two options. There is the aylesbray lodge guest house and the bridge guest house. Which one would you prefer? Sentence5: i have a variety. if you can specify the price to narrow down my options Sentence6: There are four is there an area you prefer to dine in? Sentence7: I need a place to stay in the south of town. Sentence8: Booking was successful. The table will be reserved for 15 minutes. Reference number is : ND2O59QO . Sentence9: We will arrive on Tuesday and stay for 4 nights. There will be 2 of us. Sentence10: No, that is all I need. Thank you so much. Sentence11: How about one in the north? Sentence12: Great, thank you! We will also want to try a moderately priced Indian restaurant. Are there restaurants like that in Cambridge? Sentence13: Yes, please! I need a table for 2 on Tuesday at 16:15? Sentence14: Booking was successful. and the Reference number is : 1JLMP6R2 . Sentence15: Sorry there are none in the south. Sentence16: Moderately priced would be great, and I really need it to have WiFi. Sentence17: I need a taxi to drop me at the restaurant by 16:15. It will pick me up at Bridge Guest House Sentence18: Can I help you with anything else today? Sentence19: Have a lovely day, goodbye. Sentence20: The same area as my hotel. Sentence21: I think I'd like Bridge Guest House please. Can you book it? Sentence22: that is great. thank you Question: Who has spoken the sentence 17? (A) User (B) System

SOLUTION:
Answer: (B) System