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 would like it to serve food from the americas. Sentence2: 'Hotel du vin and bistro' and 'galleria' Sentence3: Certainly, can I book your table at hotel du vin and bistro or would you prefer a table at galleria? Sentence4: i have booked you a taxi, red tesla, phone number is 718 850 4433. Sentence5: Thank you have a great day. Sentence6: Do they offer free parking? And can I get the phone number for them please. Sentence7: There are 2. Did you want me to book one of them? Sentence8: Your table has been booked and is reserved for 15 minutes, reference number is M32YYIJN . Can I help you with anything else? Sentence9: Yes, there is free parking at Hamilton Lodge. The phone number is 01223365664. Sentence10: How about european food? Sentence11: Is it possible to arrange a taxi to take me from the hotel to the restaurant by 16:00? Sentence12: I have the information pulled up. What would you like to know about it? Sentence13: I need to book a table for 3 people at 16:00 on friday at galleria Sentence14: I would like to book a table for three on Friday, at 16:00. Sentence15: I'm also looking for a hotel called hamilton lodge. Sentence16: There are many moderately priced restaurants that meet your criteria, what type of food are you looking for? Sentence17: What are the names? Sentence18: Thank you that's all that I needed Sentence19: I am looking for a restaurant in the moderate price range in the centre of town. Sentence20: Unfortunately I could not find any restaurants serving food from the Americas in the moderate price range. Question: Who has spoken the sentence 7? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Goodbye. Sentence2: Nandos sounds great. Thank you. Sentence3: Goodbye. Sentence4: thank you good bye Sentence5: Yes, I'd like a restaurant that serves portuguese food. Sentence6: nandos is the only restaurant i can find in the south that serves portuguese. Sentence7: Hi. I'm trying to find a good restaurant in the south part of town. Sentence8: There are several good restaurants in the south part of town. Do you have a preference for the type of food or price range? Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Okay I've done that for you. Your reference number INEQVBMN . Sentence2: I have the TR3177 train leaving at 09:50 on Sunday, would that work? Sentence3: Thank you. I am also hoping to book a train to Cambridge from Ely. Sentence4: You're quite welcome, have a lovely day! Enjoy Cambridge! Sentence5: That is all I need today. Thank you for all of your help. Sentence6: its been our pleasure to serve you. Sentence7: As long as it's a museum in the west, I'm happy. Can you pick one and give me the postcode? Sentence8: How about TR0718? It leaves at 09:50. Sentence9: That would be perfect, can you book that for one and give me the reference number please? Sentence10: I actually need to leave on Saturday. Is there something leaving at a similar time? Sentence11: I need to leave for Ely sometime after 8:30 on Saturday. Sentence12: Yes there are many. Do you have a preference for type? Sentence13: cafe jello gallery is a museum in the west. Its postcode is cb30af. Sentence14: What day and time would you like to travel? Sentence15: Hi there. Can you help me find a museum in the west part of town? Sentence16: Thank you, have a good day! Question: Who has spoken the sentence 5? (A) User (B) System

SOLUTION:
Answer: (B) System