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: 07426688661 is the contact number, I have you in a grey Toyota. Sentence2: Great. Can you tell me where you will be traveling to and from? Sentence3: I need to get there by 11:45. Sentence4: That's perfect, thanks! Sentence5: I need to book a taxi please. Sentence6: You are welcome. Thank you for calling us. Goodbye. Sentence7: Can I help you with anything else? Sentence8: No, that's everything. Goodbye. Sentence9: I want to go from wandlebury country park to huntingdon marriott hotel Sentence10: Okay, I will need some more information from you. What time would you like to leave? Question: Who has spoken the sentence 8? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Could you also get me a taxi between the two that leaves the hotel by 6:15? Sentence2: There are 11 guesthouses that fit your criteria. Do you have a preference of north, south or east? Sentence3: The address is saint andrew's street. Sentence4: the taxi is booked. it's going to be a yellow tesla. their phone number is 07606976296. Sentence5: The area doesn't matter. I'll go with whatever guesthouse you recommend. Please make my reservation for 3 people, 5 nights, starting Thursday. Thanks. Sentence6: Thanks. I don't need anything else. Sentence7: What is the postcode? Sentence8: I have you booked at archway house, the reference number is N8IRHQYO, any further questions? Sentence9: I'm also looking for a moderately priced guesthouse, one with a four star rating. If it doesn't have free parking, that's fine. Sentence10: Can I recommend christ's college? Sentence11: Yes could I have the address and postcode of the college please. Sentence12: i am glad i have been of help. good day Sentence13: Have a great one. Thanks again for your help. Goodbye. Sentence14: There are 79 attractions, Do you have an idea of the type you're looking for? Sentence15: I need information on places to go and see. Sentence16: Yes, I would like the type of college. I will need the address and postcode please. Sentence17: Thank you, I'm glad I could be of help. Goodbye. Sentence18: The postcode is cb23bu. Can I help you find anything else today? Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Perfect, thank you. Sentence2: It appears that time is unavailable at this restaurant. Would you like to book the restaurant at a different time, or possibly book at a different location? Sentence3: Not just yet, could you provide me with the travel time for TR8824? Sentence4: TR8824 is to arrive by 19:27, making the duration of the travel time total to 88 minutes. Sentence5: Can you please book that for Friday at 13:15 for 3 people and give me the reference number? Sentence6: Yes I do! It is located in the north and is at a moderate price range level. It serves chinese food. Sentence7: Is there anything else I can help you with? Sentence8: Thank you for using Cambridge TownInfo centre, have a great day! Sentence9: Do you have any information on a restaurant called the Golden Wok? Sentence10: What day and time would you like to leave for London Liverpool Street? Sentence11: No, that's all for today. Thank you again! Sentence12: Thanks. Can you help me find a train to london liverpool street now? Sentence13: I would like to leave after 17:15 on saturday. Sentence14: How about 12:15 on Friday? Sentence15: The first train after 17:15 is TR8824 which leaves at 17:59. There are two later trains that day. Would you like to book one now? Sentence16: Booking was successful! Your table will be reserved for 15 minutes. Your reference number is EL18B6UX . Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION:
Answer: (A) User