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: Yes, I can! When and what time would you like to go? Also how many people is the reservation for? Sentence2: The address for Christ's College is Saint Andrew's Street. Sentence3: Great. Thank you for your help. Sentence4: Thank you. Will the taxi arrive at the restaurant by 16:00? Sentence5: Is there an entrance fee for the college? Sentence6: It has been booked the reference number is E8J6X7ZH the table will be reserved for 15 minutes. Sentence7: I've booked your taxi! A Grey Volkswagen will you pick you up and take you to the restaurant. The contact number is 07776457787. Can I help you with anything else? Sentence8: Yes, the taxi is due to arrive at 16:00. Sentence9: There are 13 colleges to visit in the centre. Are you interested in visiting christs college? Sentence10: I need to book a table for 7 people at 16:00 on Tuesday. Sentence11: Great. I'm looking for Midsummer House Restaurant also. Can you help me book it? Sentence12: There is no entrance fee for Christ's College. Sentence13: It's my pleasure. Let me know if you ever need anything else. Sentence14: Sounds great. What is the address? Sentence15: Hi! Can you tell me a little bit about the colleges that are in the center of town? Sentence16: I also need a taxi between both places to arrive by the booked time Question: Who has spoken the sentence 10? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Thanks again for helping to find me a place to eat. I have the reference number T44KC552. Sentence2: I am looking for a Cuban food place, in the east. Sentence3: No, thank you. You have been very helpful. Have a great day. Sentence4: Here is the address and the phone number: 7 Barnwell Road Fen Ditton, 01223244955. Sentence5: Yes, try that. Sentence6: Can you check again? The only thing I'm interested in is a moderately priced Cuban restaurant in the east. Sentence7: I apologize booking was unsuccessful. Would you like me to try Rajmahal Sentence8: Do you have a moderately priced Indian restaurant in the east? Sentence9: Yes I have 2. Curry Prince and Rajmahal. Sentence10: I will try the Curry Prince. Can you book a table for 4 people on Monday at 17:30? Sentence11: I have you at Rajmahal, Reference number is : T44KC552 . Anything else you need? Sentence12: I am sorry but there aren't any restaurants matching your criteria. Can I help you with something else? Sentence13: Enjoy your meal at the rajmahal. Have a great day. Sentence14: I apologize I am still not showing any restaurants that meet your criteria. Is there another type of cuisine you would prefer? Question: Who has spoken the sentence 7? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: No, I am not sure I am traveling just yet. Thanks for the information, I am all set for now. Have a nice day. Sentence2: Sure, where will you be boarding and what day would you like to leave? Sentence3: Okay, is there anything else I can help you with? Sentence4: I will board at King's Lynn, before 13:30 on Tuesday. Sentence5: No. Goodbye. Sentence6: I would like the train that arrives closest to 13:30 please. I will also need the departure time. Sentence7: I have 8 routes which will arrive in Cambridge by 13:30. They leave hourly on the :11 from 05:11 to 12:11, lasting 47 minutes. Would you like to book? Sentence8: Thanks for contacting the Cambridge TownInfo Centre and have a great day! Sentence9: TR8699 departs Tuesday at 12:11 and arrives in Cambridge at 12:58. Would you like to book it? Sentence10: I need a train to Cambridge. Question: Who has spoken the sentence 9? (A) User (B) System

SOLUTION:
Answer: (B) System