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: I think you'd like TR8842 train, it costs 23.60 pounds. Sentence2: Thanks, it would be helpful if you also told me what time TR8842 leaves. Anyhow, I just got paid. Can you find me a high-end eatery serving European cuisine? Sentence3: No thank you. I'll just need the address for an expensive restaurant that serves European food. Sentence4: Train TR8842 leaves london kings cross at 15:17 on friday and arrives at cambridge at 16:08. Can I provide you more information or book it for you? Sentence5: Arrival time is not important. I just need to leave after 14:15. I will need the train ID and the price, please. Sentence6: Sorry! As I said, it's at Free School Lane City Centre. Can I help you with anything else? Sentence7: Hi, could you help me find a train going to Cambridge? Sentence8: Is there a time you would like to arrive by? Sentence9: Where and when are you departing from? Sentence10: I would like to leave on Friday Sentence11: No, that's it. Thank you. Sentence12: which side of town is most appropriate for you? Sentence13: Have a lovely day, goodbye. Sentence14: I am leaving from London Kings Cross after 14:15. Sentence15: I'm sorry, but I think you gave me the phone number. I need the address, please. Sentence16: I don't have a preference really, please recommend one. Sentence17: no. i just need the address Sentence18: What day would you like to leave? Sentence19: its address is 01223368786. is that it? Sentence20: How about the eraina located at Free School Lane City Centre. Would you like reservations? Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: No that's all. Thanks. Bye! Sentence2: Yes, that's right. Which of the 12 options would you recommend? Sentence3: Yes, would you try 2 nights instead, please? Sentence4: That's great. Please make a reservation for 1 on Monday. I'd like to stay 3 nights. Sentence5: Your booking was unsuccessful. Would you like another day or a shorter stay. Sentence6: Are they expensive? I would like something nice. And do they have free parking? Sentence7: Please check for something expensive first. If you don't see one, then we can come back to that. Sentence8: Booking was successful. Reference number is : JAKCI7JO . Is there anything else we can help you with today? Sentence9: How about Archway House? It's at 52 Gilbert Road cb43pe, and the phone number is 01223575314. Would that work for you? Sentence10: Yeah, that's fine. Oh, and I need free parking! Sentence11: There is the Acorn Guesthouse that is located in the north side of town. Would you like me to make a booking? Sentence12: I hope you have a great rest of the day. Sentence13: Can you tell me about a nice guest house in your city? I don't care how much it costs. Sentence14: They're a moderate guesthouse with free wifi and parking. Would you like to book a room? Sentence15: So to clarify, you need a guesthouse with free parking, and a moderate price range is acceptable? If so, I have 12 different options for you. Sentence16: It looks like all of the places in the expensive price range are hotels rather than guesthouses. Would you like to consider a different price range? Question: Who has spoken the sentence 11? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Yes, a table for one on Wednesday at 20:00. Sentence2: Can I make the reservation for you? Sentence3: Booking was successful. The table will be reserved for 15 minutes. Reference number is : XT4L7KCY . Sentence4: Thank you that will be all I need Sentence5: I am looking for a restaurant that serves modern European food. Sentence6: moderate price range please and thank you that will be all Sentence7: Yes they have wifi Sentence8: The Centre has many choices, 69 to be exact. Do you have any food type or price range in mind? Sentence9: The Gonville Hotel is available in that area. Sentence10: What price range would you like? Sentence11: It is an expensive hotel and the address is gonville place. Sentence12: Okay can you tell me the address and price range of the Gonville Hotel? Sentence13: You are welcome enjoy Sentence14: Do they have wifi? Sentence15: No reservation, just a taxi from the hotel to the restaurant arriving by 20:00 Sentence16: I can suggest the riverside brassiere. Sentence17: Thanks. Now I can book my taxi from the hotel to the restaurant. Sentence18: Would you like me to reserve the hotel? Sentence19: Where will you be leaving from? Sentence20: Can you help me find a restaurant in the centre? Sentence21: all set for your taxi yellow audi Contact number 07456600776. Any thing else i can do ? Sentence22: Sorry I need to book a hotel first. Do you have a 3 star with free parking in the same area? Sentence23: I will also need a taxi. Sentence24: I want the taxi to arrive to the restaurant in time for my reservation there Sentence25: What time will you be leaving and what time you will like to arrive? Sentence26: Ok sure. I need brassiere Question: Who has spoken the sentence 6? (A) User (B) System

SOLUTION:
Answer: (A) User