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: That is all I need for today. thank you. Goodbye. Sentence2: I have 7 available. The first leaves at 17:32, and arrives at 18:32. Would you like me to book that for you? Sentence3: I'll be departing from Broxbourne and I'd like to go to Cambridge. Sentence4: I'm not looking to book at the moment, can I just get the train ID? Thanks! Sentence5: Okay glad I could help. Enjoy your trip. Sentence6: I'd like to find a train that leaves after 17:00 on Saturday. Sentence7: Of course! TR0811 leaves at 17:32, arrives at 18:32, with a duration of 60 minutes. The price is 14.32 pounds. May I assist you with anything else? Sentence8: Absolutely, I need departure and destination information and a time you need to arrive by. Question: Who has spoken the sentence 7? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: No, that's all I needed. Thanks for your help today! Sentence2: Can you search for a guesthouse that includes free wifi? Sentence3: The Avalon doesn't have room for 5 nights starting Monday. How about a different day or a shorter stay? Sentence4: That sounds perfect. Can I book it for 5 nights starting on Monday for 3 people? Sentence5: No, that doesn't matter, but I'd like something in the moderate price range. Sentence6: Avalon is available for four nights starting on Monday. Your reference number is 59GZA6ME . Can I do anything else for you? Sentence7: There are 14 options. How about the Avalon? It has 4 stars and free parking and wifi. Sentence8: You are welcome. Thank you for calling the Cambridge TownInfo Centre. Goodbye. Sentence9: Let's try 4 nights. Sentence10: We have 23 such places. Any preference on area? Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: I would like to go to ely, and arrive by 17:45. Sentence2: The address is Little Saint Mary's Lane. Is there anything else you need to know? Sentence3: No thank you that will be all Sentence4: Can I get the address, please? Sentence5: i want to leave as late as possible and still arrive by 17:45. Sentence6: I can book you on the TR6745 leaving at 15:50 and arriving at 16:07. Sentence7: What about architecture in the centre? Sentence8: It was nice talking to you. If you need assistance in the future, please don't hesitate to text us again. Goodbye! Sentence9: How many tickets will you need? Sentence10: Do you have a time you would like to leave? Sentence11: Great. I also need a multiple sports attraction in the centre of town. Sentence12: I need to leave from Cambridge on Wednesday. Can you help me find a train? Sentence13: That sounds wonderful! Sentence14: That train will leave at 15.50 and arrive at 16:07. the cost is 4.40 pounds. Sentence15: I don't need a ticket, I just need to know the price and travel time, please. Sentence16: I recommendvLittle saint mary's church don't let the name fool you, they are large and have a lot to see, would you like more information? Sentence17: We have several that fit the bill, do you have a destination? Sentence18: i dont happen to have any multiple sports venues in the centre. would you like me to find something else? Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION:
Answer: (A) User