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'm leaving from Cambridge and going to Birmingham New Street. Sentence2: There appear to be hourly trains from 05:01 to 23:01. Do you know what day and time you'd like to travel? Sentence3: You are welcome. Have a great trip. Bye. Sentence4: Wednesday and it should leave after 18:00. Sentence5: Can you also direct me to some attractions in town in the east? Sentence6: Ok, I have booked you 3 seats on that train. Your reference number is MI5RMEHQ . You'll need to pay 225.3 GBP at the station. Anything else I can do? Sentence7: That sounds good. Can you book that for me for 3 people? Sentence8: I'm planning my trip there, but need to find a train for when I depart. Could you help me with that? Sentence9: The TR1766 leaves at 18:01 and arrives at Birmingham new street at 20:44. Would that be OK? Sentence10: The address is 5 greens road and the phone is 01223902168. Is there anything else that i can do for you? Sentence11: That would be perfect. Can you give me the address and the phone number? Sentence12: Sure. From where will you be departing, and what is your destination? Sentence13: No, that is all. Thanks for your help. Sentence14: Of course! There are several attractions in the east. I'd suggest Cambridge Artworks; it's a museum with free entrance. Would that work for you? Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Perfect, I have train TR1472 that meets your criteria, would you like me to book a ticket for you? Sentence2: I can help you with that. Where are you traveling from? Sentence3: Book it for 3 people. Sentence4: Sure. Your train is booked. The fee will be 30.29 GBP and your reference number is 7FGDRE1Q . Sentence5: I need to find a place to stay as well. Can you help? Sentence6: I need to find a train into Cambridge that will arrive by 09:15. Sentence7: I will be leaving the Stansted Airport on Thursday. Sentence8: I need to know what you're looking for first. Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: What day of the week are you looking to travel? Sentence2: Great! Have a good day. Sentence3: I need a train to go from Cambridge to Norwich. Sentence4: I would like to book that train for 4 people please. Sentence5: Thanks you too Goodbye Sentence6: yeah, I'm also looking for a place to stay. I don't like hotels, so a guesthouse would be better. Moderate in price. Sentence7: can I have the star rating and idf they have wi fi ? Sentence8: a and b guest house is a guesthouse in the east and it is moderate. Shall I book it ? Sentence9: What time would you like to leave or arrive by? Sentence10: OK, that's all I need for now. Thanks. Sentence11: The star rating is 4 and they do have free wifi. Sentence12: I would like to arrive by 13:45. Sentence13: I have the TR7438 that will arrive at 12:55. Would you like a booking made today? Sentence14: Yes, the hotel should be in the east and doesn't need to have free parking. Sentence15: I am traveling on Sunday Sentence16: There are several moderate priced guesthouses do you have a preferred area that you want to stay in? Sentence17: Great. I hope you have an excellent day. Sentence18: 7G6OJ8G2 is your confirmation code. May I help you further? Question: Who has spoken the sentence 10? (A) User (B) System

SOLUTION:
Answer: (A) User