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: It's a hotel. There are 5 guesthouses in the area. Do you prefer cheap or moderate for the price range? Sentence2: I want to go from cambridge to ely, no preference for time but I need to book for 8 people. Sentence3: Great. Can you help me with a train as well? I'm looking to come in from Ely. Sentence4: What is your destination? And do you have any preference for day, departure or arrival time? Sentence5: There are 5 guesthouses that have free parking. Should I book one of them for you? Sentence6: There are trains that run every two hours every day starting at 5:50. Do you know what day you'd like to travel? Sentence7: Okay, none of them DON'T offer free wifi? If not, I'll need the address for one that does have wifi, please. Tell me about your favorite. Sentence8: no, but it should have free parking, please. Sentence9: Thank you and enjoy your visit. Have a great day. Sentence10: The price doesn't really matter. I just need free parking. It doesn't really need to have internet though. Sentence11: The allenbell is a guesthouse on the east. The addres sis 517a coldham lane post code cb13js. Sentence12: There are no hotels that do not have internet, but 7 which do have it. Do you have a specific price range you'd prefer? Sentence13: Is that a guesthouse or a hotel? I'd really prefer a guesthouse. Sentence14: Hi. I'm looking for a hotel in the east. The internet is not needed. Sentence15: The Express by Holiday Inn Cambridge is in the area and has free parking, would you like more information? Sentence16: No, I don't need anything else right now. Thank you for your assistance. Good Bye. Sentence17: I'm looking for Wednesday , arrive by 11:30 for 8 people Please. Sentence18: Booking was successful, the total fee is 35.2 GBP payable at the station. You reference number is 7ZCVR4Q3 . Can I help you with anything else? Question: Who has spoken the sentence 15? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: i want some mexican food. Sentence2: Dojo Noodle Bar serves asian oriental food and is located in the centre of town. The price range is cheap. Sentence3: The phone number for dojo noodle bar is 01223 363471. Would you like any other information? Sentence4: I don't care. Sentence5: You're welcome. Goodbye. Sentence6: We have four Asian oriental restaurants in centre. What price range do you prefer? Sentence7: What is the phone number? Sentence8: No, thank you, that's all I need. Thank you and goodbye! Sentence9: The only listing for Mexican food is Chiquito Restaurant Bar. How else may I assist you? Sentence10: I want a restaurant in the centre and serves asian oriental food? What is the phone number? Question: Who has spoken the sentence 9? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: What time will you need to be traveling? Sentence2: You're welcome, have a good day Sentence3: Yes, here you go saint andrew's street and 01223334900 Sentence4: Okay the TR2473 leaves at 14:24 and arrives by 14:52. It's 28 minutes. Sentence5: Welcome. Is there anything else that I can help you with? Sentence6: How about a college instead? Sentence7: what type of attractions are yopu looking for? Sentence8: I would like to arrive by 15:45, need the departure time and train ID. Sentence9: I am coming in from the Stansted Airport. Sentence10: Can I get their address and phone number please? Sentence11: Okay, from where are you departing? Sentence12: Thank you for your help. Sentence13: Christ's College meets your criteria. Would you like more information? Sentence14: Whatever it is, there is not a spot for in the centre, shall I search for something else? Sentence15: No, that will be all. Thanks so much for your time. Bye. Sentence16: Thanks! I'm also looking for an attraction in the centre area. Sentence17: Nope. It's free! Sentence18: Hey there, I want to get a train to Cambridge for Thursday please Sentence19: multiple sports please. whatever that is. Sentence20: Thank you. Is there an entrance fee? Question: Who has spoken the sentence 17? (A) User (B) System

SOLUTION:
Answer: (B) System