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 get into town Monday. Is the guesthouse expensive? Sentence2: There is one option. It is the university arms hotel. Sentence3: I want to leave at 15:15 and go to the cambridge chop house Sentence4: I've found 2 hotels that fit your criteria. One is called Gonville Hotel and the other is University Arms Hotel. Sentence5: I don't really care. It's for a business meeting so just need to make sure it's expensive so it's nice. Sentence6: No, we don't have any guesthouses that are expensive. Sentence7: I sure can. If there is a specific type of food you are interested in that would help to narrow down the possibilities. Sentence8: No the price range is fine. Just make sure it is in the same area as the restaurant. Sentence9: I was able to book your table. Your reference number is FFFW4HLE . Sentence10: What day would you be arriving at the guesthouse? Sentence11: What time do you want to leave or arrive by and what is your destination Sentence12: We have two guesthouses in centre that are on the cheap side. The alexander bed and breakfast has a 4 star rating. Would you like that one? Sentence13: I am looking for a restaurant that is in the centre of city and is expensive. Can you help me with that? Sentence14: There are plenty of hotels and guesthouses that would do the trick in that area. Do you have a price range? Sentence15: Great, how many people do you want to book at Guesthouse and for how many days? Sentence16: You are booked. Your reference number is PWFVG1HP Sentence17: Sure thing. Their phone number is 01223366611 . Is there anything else I can help you with? Sentence18: Excellent. Can I get the phone number for the Gonville Hotel? Sentence19: There are 4 people. I would like it to be on Monday and arrive by 15:15. Sentence20: I needed it to be in that side. anyway thanks for your help Sentence21: You're welcome! Have a good day! Sentence22: It is priced cheap. Would you like a different price range? Sentence23: I have a business luncheon this week and need a place to host, preferably in the centre of the city. Sentence24: Okay, I want a reservation for 4 people starting monday, for 3 nights total Sentence25: Yes please just book that hotel for me. Sentence26: I am sorry we have no guesthouse hotels in the centre of town. Would you prefer another location? Sentence27: Are there any hotels like that in that area? Sentence28: Are you sure you would not prefer another side of town? Sentence29: I'd like it to be expensive. Sentence30: Great, I am also looking for an expensive range guesthouse in the same area. Sentence31: Yes, I also need the reference number. Sentence32: Sorry, I actually want an expensive hotel with parking in that same area Sentence33: Thanks. Now I will be needing a taxi please. I want to depart from the hotel Sentence34: Booking completed! Booked red lexus and their contact number is 07732008521. Sentence35: I need a guesthouse that is in the same area as the restaurant, centre, and has free parking, too. Sentence36: No that is all I needed. Thanks! Sentence37: Thanks so much! Sentence38: Is there anything else I can do for you? Sentence39: First I'll need to know how many are in your party, and what day and time you'd like? Sentence40: The Cambridge Chop House would be my recommendation, would you like me to book it for you? Question: Who has spoken the sentence 25? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Could you look again for places that serve North American food in the West. Sentence2: I have 4 trains that meet your needs. Would you like to book tickets? Sentence3: Great! I also need to have some north american food in the west part of town. Sentence4: I am looking for information in Cambridge. Sentence5: Booking was successful, the total fee is 8.8 GBP payable at the station . Reference number is : 8BUQLIK8 . Sentence6: Great that was all I needed today, thank you Sentence7: How about an intalian restaurnat in the west area? Sentence8: You are booked the reference number is 3ICEL34F, can I help with anything else? Sentence9: I have two. One is moderately priced, and one is cheap. Do you have a preference? Sentence10: I'm sorry, we don't have any north american restaurants in the west area. Would you like to try a different type of food? Sentence11: What type of information are you looking for? I can helpp with dining, hotels and entertainment. Sentence12: You're very welcome! Have a great day. Sentence13: The moderately priced one will be fine. I'll need it booked for the same day, same people, and at 10:15. Sentence14: book for 2 people and get me the reference number Sentence15: The only north american restaurant in the city is in the centre. Would you like more information about that? Sentence16: I need a train on friday going to ely from cambridge arrival by 13:00 Question: Who has spoken the sentence 13? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: TR4076 departs from bishops stortford going to cambridge on Friday. It leaves at 1:29pm and arrives at 2:07pm. Would you like me to book this train for you? Sentence2: That is all I needed today and I thank you for your help. Sentence3: I need to know the day and how many people will be staying, please? Sentence4: I show 4 locations available. What price range are you looking for? Sentence5: See where that train will be coming from. I mean where will you be leaving from? Sentence6: I am looking for something in a moderate price range. Sentence7: That sounds perfect! Please book it for me. Thank you! Sentence8: I would like to know more about the Aylesbray Lodge, do you have the address and can you tell me whether they offer free parking? Sentence9: I need to go to cambridge from bishops stortford Sentence10: How about you try to search for a type of the guest house without certain dates? Sentence11: You are welcome. Goodbye! Sentence12: I need a place to stay in the south. Sentence13: They do indeed have parking and their location is 4 mowbray road. I can book this for you if you'd like, I just need to know details about your stay. Sentence14: There are the two guesthouses that were mentioned previously, if you would like to see if there are other options, you will need to broaden your search requirements. Sentence15: There are 5 trains going to Cambridge from Bishops Stortford on Friday. Do you have a preference in time? Sentence16: That's all the info I need about the guesthouse, but I also need to book a train leaving on Friday. Sentence17: Yes, I need tickets for 4 people, and can you give me a reference number? Sentence18: We have it booked for 4 tickets. Your reference number is B5DD4PQW . The total fee is 40.40 GBP. Sentence19: I just need to get there by 2:30 PM is all. Sentence20: I have found 2 guesthouses in the south in the moderate price range. The aylesbray lodge guest house has a 4 star rating. Would you like to book? Question: Who has spoken the sentence 10? (A) User (B) System

SOLUTION:
Answer: (A) User