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: Galleria serves European food and is in the centre part of town and has a moderate price range. Sentence2: No restaurants serving australasian food can be found. May I find another type restaurant for you? Sentence3: Looking for someone that serves Australasian food? Sentence4: How about European food? Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Yes, one ticket is fine. Sentence2: Hi I need to get to Cambridge by 5:30 PM. Is there a train for that? Sentence3: Nope, that's it! Thanks! Sentence4: Thank you for using our service. Have all of your needs been met? Sentence5: You're welcome. Good-bye. Sentence6: And you would like to book just one ticket, is that correct? Sentence7: I will be departing from Norwich on Wednesday. Sentence8: There are multiple options that will get you to Cambridge by 5:30pm. Could you please tell me where you will be departing form and what day you are traveling? Sentence9: TR0033 departs Norwich at 15:16 and will arrive in Cambridge at 16:35 (4:35p.m.). Would you like a ticket on that train? Sentence10: The trip is 79 minutes. Sentence11: That's all thank you Sentence12: Great. I have you on that train and your reference number is Y1XTHTJA . Is there anything else I may help you with today? Sentence13: Thank you for the information! Sentence14: That would be fine. How long is the trip? Question: Who has spoken the sentence 10? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Yes, it arrives at 05:56. Sentence2: I do not have a specific price or location in mind. Please just send me the address and phone number of an Indian restaurant. Sentence3: Thank you. That is all I needed. Sentence4: There are 22 Indian restaurants in Cambridge. Do you have a preferred price range or area in town you'd like to dine? Sentence5: Are there any later trains? Also I need to get the price, departure time, and train ID when we find a suitable one. Sentence6: The earliest train is at 5:06, do you want me to book it? Sentence7: I need a train to Peterborough on Monday. Sentence8: Okay I have chosen the Curry Prince for you, which is a very popular location. Their address is 451 Newmarket Road Fen Ditton and their telephone number is 01223566388. Sentence9: I am thinking Indian food would be perfect and in the centre. Sentence10: You are welcome. Goodbye. Sentence11: Train TR4765 leaves at 15:06 and arrives at 15:56 and costs 16.50 pounds. How many tickets would you like to book? Sentence12: Yes TR4765 departs cambridge monday at 15:06, arriving in peterborough by 15:56. How many tickets will you need? Sentence13: Yes I have trains that arrive from 5:56 to 15:24. Any preference? Sentence14: I was just looking for information for now. I do need some additional information on a place to eat though. Sentence15: What is the train ID and response of the train that arrives at 15:24? I would like to book that one. Sentence16: Does it arrive by 16:00? Sentence17: I need a train that departs from Cambridge. Does TR4765 go from Cambridge to Peterborough? Sentence18: There are 110 restaurants in the area - are you looking for a specific type of cuisine? Question: Who has spoken the sentence 1? (A) User (B) System

SOLUTION:
Answer: (B) System