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: Are there any with a 5 star rating? Sentence2: I'm looking for a place to stay with free wifi. Can you help me find something moderately priced? Sentence3: You are booked at the acorn guest house. Reference number is ROCCFCM6 . Sentence4: Thank you so much, that is all I need. Sentence5: Unfortunately, none of them have a 5 star rating. Sentence6: Are there any with a 4 star rating? Sentence7: We have plenty of moderately priced options with free WiFi. Do you have any additional preferences? Sentence8: Oh yes, several. Are there any addition preferences on those? Sentence9: Great, enjoy your stay. Bye. Sentence10: Nope, any 4-star moderate place with wifi will be fine. Could you book a room starting Saturday for 3 nights, 5 people? Question: Who has spoken the sentence 6? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: I'm sorry. I changed my mind. I don't want a guesthouse. Are there any hotels with 2 stars? Sentence2: Great that was all I needed today, thank you. Sentence3: Is there a particular area you would like to stay in? Sentence4: There isn't a guesthouse with 2 stars and free internet available. Is there another type of hotel I can look up for you? Sentence5: Great Glad I could be of help to you. Sentence6: I have you booked in the Ashley hotel. Your reference number is CW6YMT0B . Is there anything else I can do for you today? Sentence7: No, just any 2-star hotel with free wifi will do. Sentence8: Hi, I need a guest house please. Sentence9: Do you have a specific location you want to be? Sentence10: No, but I need free wifi and I would like a 2 star guesthouse please. Sentence11: I have 3 guesthouses all in the moderate price range. Would you like me to choose one for you? Sentence12: I found 3 for you all in the expensive price range. Can you please give me the details so that I may book it for you? Sentence13: Yes, how about a guesthouse with 3 stars and free wifi instead? Sentence14: I would like it for 6 people for 2 nights starting on Wednesday. Question: Who has spoken the sentence 11? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: I do not have anything. Can I try something else? Sentence2: there is no restaurant in that side of town serving your kind of food. can we change the cuisine? Sentence3: Okay. Thank you for calling. Sentence4: Can you check for asian oriental? I don't care what area it is in. Sentence5: Great, I just need the area and postcode please. Sentence6: Can you check for ones with a cheap price range? Sentence7: I'm also looking for a place to dine. The restaurant should serve Asian oriental food and should be in the same price range as the hotel. Sentence8: I'm looking for a 4 star hotel in the east. Sentence9: My mistake. There are three cheap guesthouses. The Allenbell, Autumn House, and Leverton House all offer free parking. Would you like to make a booking? Sentence10: Pick the most popular one, I need their phone number as well and hotel type. If they have area and postal code , I will need it. Sentence11: I was able to book your taxi per your request. It will be a black tesla and the contact number is 07433186357. Is there anything else today? Sentence12: I would like a taxi going to dojo noodle bar. I want to leave my hotel (Leverton House) by 07:30. Sentence13: Yes, all three of the guesthouses have free internet and free parking. Is there one that you would prefer? Sentence14: Are you saying that there isn't even a cheap 4 star guesthouse on the east side? What kind of city is this? Sentence15: That is all for now. Thank you for all your help. Sentence16: The area is not important. I just need it to be asian oriental food and something cheap. Sentence17: It is located in the centre and the postcode is CB21RQ. Sentence18: I can recommend dojo noodle bar in the centre. Sentence19: With those requirements, I do have one hotel in the east. It is expensive 2 star rated with both free parking and wifi. It is the Express by Holiday Inn Cambridge. Sentence20: In that case, how about just a hotel in the east that has free parking? Sentence21: I dont have any in the east. can I check another location? Sentence22: There are no cheap four star hotels in the area. Another criteria maybe? Sentence23: I am sorry I have no cheap 4 star hotels, maybe a more realistic star rating? Sentence24: How about Chinese in the east? It should still be in the same price range as the hotel. Sentence25: Oh man, I can't do expensive. Is there a 4 star guesthouse that is cheap in the east perhaps? Sentence26: My system is not pulling up any 4 star hotels in East. Would you like to try a guesthouse or another area perhaps? Sentence27: Leverton House is lovely. It's a guesthouse in the centre of town. The phone number is 01223292094, and the postcode is cb58rs. Would you like me to book that? Sentence28: I think you need to pay more attention, it's your job to be alert. Do they all have free internet? Question: Who has spoken the sentence 20? (A) User (B) System

SOLUTION:
Answer: (A) User