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 I was able to locate 4. Can I book a table for you? Sentence2: Thanks so much! Sentence3: Is there anything else that I can book for you or assist you with for your upcoming trip? Sentence4: Are you looking for a Danish restaurant? Sentence5: Yes please in the same area and price range. Sentence6: For four, Thursday, 11:45. Sentence7: Booking unsuccessful. Would you like to try another restaurant? Sentence8: Thank you have a good day. Sentence9: Yes please. In the centre of town. Sentence10: Yes please,for tonight at 9 PM if possible. Sentence11: I will make a booking for you at hk fusion, but I do need to know what day and time you prefer, and for how many people. Sentence12: I am looking for an expensive Danish place. Sentence13: Is there an expensive chinese restaurant in the centre? Sentence14: I am sorry I have no listings for that type of restaurant, is there any other type of food you would like? Sentence15: Booked at ugly duckling. Reference number: EQFGNMFY . Table will be held for 15 minutes. Sentence16: That was all I needed today thank you! Question: Who has spoken the sentence 10? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Thanks, I'm also looking for some places to go in the centre. Sentence2: There are 44 different attractions in the centre. Can you narrow down your choices? Sentence3: Ok. And where are you leaving from? Sentence4: The phone number for All Saints Church is 01223452587 and they are located on Jesus Lane. They do not charge an entrance fee. Can I do anything else for you? Sentence5: I think whatever you think is the best place, just choose that. I am not picky. Sentence6: No, that will be it. Thank you so much for your help! Sentence7: I would want to find a train going to Cambridge. Sentence8: it should arrive by 11:15. get me the price Sentence9: Thank you for using our service! Sentence10: Okay, there are 10 trains available. Do you have a departure or arrival time in mind? Sentence11: The train should leave on wednesday and should depart from ely Sentence12: that sounds lovely, what is their phone number, address and any entrance fee's? Sentence13: TR2006 is leaving at 11:35 and costs 4.40 pounds. Sentence14: Perhaps you would enjoy seeing All Saints Church on Jesus Lane? Question: Who has spoken the sentence 8? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Glad I could help. Let us know if there's ever anything else we can help you with. Sentence2: I want to go to restaurant two two. Sentence3: Great thanks! That's all I need. Sentence4: I need a taxi today arriving at 21:00. Sentence5: And do you want to be picked up from whipple museum at 2100 or get to restaurant two two at 2100? Sentence6: What is your destination? Sentence7: Oh I'm sorry - I need to be picked up at the whipple museum of the history of science. Sentence8: I'd like to arrive at Restaurant Two Two by 21:00 please. Sentence9: Great I have you booked in a grey lexus and the contact number is 07398176919. Sentence10: I need a little more information. Where are you leaving from? Question: Who has spoken the sentence 1? (A) User (B) System

SOLUTION:
Answer: (B) System