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: Sure, what area of town would you like to stay in? Sentence2: There are entertainment attractions in the east, south, and west areas. Which would work best? Sentence3: Any area is fine Sentence4: cherry hinton hall and grounds located in the east is a very nice place to visit. Sentence5: what is your price range to narrow down on our choices Sentence6: lovell lodge has a moderate price range. is that it? Sentence7: Sounds good, I will give it a try, can I also get a place ot stay with free wifi and parking? Sentence8: I am visiting Cambridge and want to see some entertainment. Sentence9: Preferably in the north. Sentence10: There are 2 hotels with 2 stars. There are also 9 guesthouses with 0-, 3- or 4-stars. Which do you prefer? Sentence11: I think I'd choose one of the hotels. Either is fine, could you recommend one? And give me it's price range? Sentence12: Yes that will be all, thank you. Sentence13: I'm open to any price range as long as it meets everything else I need. Sentence14: you are welcome any time Question: Who has spoken the sentence 11? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: You're welcome, enjoy your day. Sentence2: How about Downing College? It has free admission and is located on Regent Street/ Sentence3: I'd like to visit a college in the center of town. Could you help me find something interesting? Sentence4: That sounds great! Can I have their phone number and postcode, please? Sentence5: No, that was all I needed to know. Thank you, you've been very helpful. Sentence6: Downing College's phone is 01223334860 and their postcode is cb21dq. Can I help you with anything else today? Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: There is one leaving at 21:29 and arriving at 22:07, TR4863. Would you like me to book it? Sentence2: Yes. The address is 20 Milton Road, Chesterton. So that I can reserve a table, how many will be in your party? Sentence3: One in my party. I'm also looking for a train to get to bishops stortford, can you help me with that too? Sentence4: What day and time would you like travel? Sentence5: Yes, I found one located in the centre of town called The River Bar Steakhouse and Grill. Would you like more information? Sentence6: I would like to leave Wednesday after 20:00. Sentence7: I don't need a reservation for the restaurant. I need to find a train from cambridge to bishops stortford. Sentence8: Thank you for contacting Cambridge TownInfo centre. I hope you have a pleasant trip! Goodbye! Sentence9: Hello are there any cheap European restaurants in town? Sentence10: Is there a time you would like to arrive by? Sentence11: Is there anything in the north part of town? Sentence12: Yes I would like to reserve a table there. May I have the address please? Sentence13: Can you look for Italian food instead? Sentence14: What time would you like your reservation to be? Sentence15: I'd be happy to reserve your table; what day and time will you be dining? Sentence16: Nothing of that criteria in the area. Shall I try again with another criteria? Sentence17: I will be leaving cambridge on wednesday after 20:00 to bishops stortford. Sentence18: No, I got all that I need. Goodbye. Sentence19: No. Please send me the Train ID and arrival time. Sentence20: I have the Da Vinci Pizzeria in the north. It is a cheap restaurant. Can I reserve you a table? Question: Who has spoken the sentence 12? (A) User (B) System

SOLUTION:
Answer: (A) User