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: There are lots of local attractions, are you interested in architecture? Sentence2: No thank you. That will be everything I need today. You have a nice day. Sentence3: You're welcome! Have a nice day. Goodbye. Sentence4: I have confirmed a taxi picking you up at backstreet bistro at 24:45. The contact number is 07972785913. A blue volkswagen will pick you up. Can I help with anything else? Sentence5: Yes sure as long as the attraction is in the city center. Could you also provide me with the phone number and postcode of the attraction? Sentence6: Sure. I also need somewhere to eat. I'm thinking something on the expensive side and close to the college. Sentence7: Backstreet bistro is located in town centre. The address is 2 Sturton Street City Centre, phone 01223306306. Do you need any further assistance? Sentence8: Can I get one in the centre of town and looking for gastropub food. Sentence9: Of course. How about Saint Catharine's College, in postcode cb21rl? Phone is 01223338300. Sentence10: Backstreet Bistro is an expensive restaurant in the centre of town that serves gastropub food. Would you like more information or to make a reservation? Sentence11: Alright, there are 33 different restaurants around the college that are expensive. Is there a type of food you are looking for? Sentence12: Hi, I'm planning a trip to Cambridge and would like a few ideas on places to go for fun. Sentence13: Information, please! I'm not looking to make a booking at the moment. Sentence14: Yes, can you book a taxi between the two? I would like to leave the restaurant by 24:45. Question: Who has spoken the sentence 9? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: 1 person, plese. Sentence2: Sorry, I couldn't find any restaurants that fit that criteria. Sentence3: O booked you at 12:15 to give you extra time, look for a red tesla, they cbr at 07079296786, any other questions? Sentence4: Okay, you're all set with a reservation at La Tasca on Wednesday at 12:30! The reference number is F8VGULKB . Sentence5: Are there any Spanish restaurants available? Sentence6: What time would you like to leave or arrive? Sentence7: I'm sorry, I forgot some of my friends couldn't make it. It will just be myself, and I need the reservation for Wednesday. Sentence8: I have you booked at the Acorns Guesthouse the reference number is QQ2N4M7W . Can I help you with anything else today? Sentence9: I need help finding a 4 star hotel Sentence10: Sorry to tell you this but we actually have no Jamaican restaurants in cambridge. Maybe you would prefer another type of food Sentence11: La Tasca is at 14 - 16 Bridge Street, CB21UF. La Raza is at 4 - 6 Rose Crescent, CB23LL. Would you like a reservation at one of them? Sentence12: That is all I need, thank you, goodbye! Sentence13: Is there one in the centre of town maybe? Sentence14: Goodbye and thank you for using our service! Sentence15: Yes, please. I would like its address and postal code. Sentence16: La Tasca sounds interesting, can you book a table for my group at 12:30? Sentence17: How many people are in your group? Sentence18: no, but I need free parking and wifi. Sentence19: I have 19 hotels in Cambridge that fit those requirements. Do you have a price range in mind? Sentence20: nah, I just need it for 4 nights starting from wednesday. maybe look at moderately priced hotels? Sentence21: I have several listed is there a particular area you would like? Sentence22: I would want to be able to arrive to the restaurant by the time booked, 12:30! Sentence23: How many of you will be staying there? Sentence24: Yes, please. I'm looking for a jamaican restaurant that is moderately priced. Sentence25: There are two spanish restaurants. Would you like more information? Sentence26: i also need a taxi to commute between the two places Question: Who has spoken the sentence 12? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Where will you be travelling to? Sentence2: Where will you be departing from and what day do you wish to travel? Sentence3: i need a train to bishops stortford that leaves after 16:30, please. Sentence4: I already told you. Sentence5: I would like to leave on Tuesday, and depart from Cambridge. Sentence6: The TR2153 departs Cambridge for Bishops Stortford on Tuesday at 17:29, would you like to book a seat on this train? Sentence7: Yeah. I need to book for 7 people. Sentence8: I also need a place to stay, I'd like possibly a guesthouse with free wifi. Sentence9: Booking was successful, the total fee is 70.7 GBP payable at the station . Reference number is : C2KPV8JC . Sentence10: Ok i will find you one as soon as possible and inform you thanks a lot Question: Who has spoken the sentence 8? (A) User (B) System

SOLUTION:
Answer: (A) User