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: Please feel free to contact us again for further assistance. Good-bye. Sentence2: Great news! Your booking was successful and I have a reference number for you. It is PL4JEQ9A . Sentence3: Yes please I need a booking for 4 people and 2 nights starting from friday. Sentence4: How about a different hotel in the same price range? Sentence5: Can you find me a place to say in the centre that includes free wifi? Sentence6: I have the Cityroomz hotel which is in the moderate range with internet and no parking. Would you like to book this hotel? Sentence7: Are there any in the moderate price range? Sentence8: Thank you for your help. Sentence9: I can recommend the Alexander Bed and Breakfast. It is a guesthouse in the cheap price range. Sentence10: How about the el shaddai, they have free internet and free parking? Sentence11: Thank you very much. I will. Sentence12: You are very welcome. Please enjoy your stay. Sentence13: That on is not open then, shall I try another? Sentence14: That will be fine. Question: Who has spoken the sentence 5? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: The postcode is CB58BS. Can I help you find anything else? Sentence2: Can you tell me what their star rating is? Sentence3: I need something in the south and free parking. Sentence4: I will be in the centre of cambridge. I am looking for any type of attraction involving architecture. Sentence5: You're very welcome, I'm glad that I could help. I hope that you enjoy your stay! Goodbye. Sentence6: Of course! They are a 3-star establishment. Would you like me to go ahead and book that for you? Sentence7: thats it, thanks! Sentence8: Bridge Guest House was available for 2 nights. Your reference number is ULWMFZAX . What else can I do for you today? Sentence9: I'm sorry. There is no availability. Would you like to try different dates or another hotel? Sentence10: I'd recommend All Saints Church on Jesus Lane. Did you need help with anything else? Sentence11: I would recommend the Bridge Guest House based on your criteria. Would you like me to book you a room? Sentence12: There are 33 places to stay, do you have any requirements? Sentence13: How about just 2 nights instead? Sentence14: yes, 7 people 4 nights starting Wednesday. Sentence15: I need a place to stay. Sentence16: Can you give me the postcode for that? Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Sure! It's located in the south, at 14 King's Parade CB2 1SJ. Can I help you with anything else? Sentence2: I have two restaurants matching your request. Would you like Italian or Modern European food? Sentence3: Great where would you like to visit? Sentence4: I am looking for a restaurant in the south part of town that is moderately priced. Sentence5: I have booked a reservation for one person at 14:15 on Sunday at restaurant alimentum successfully. Your reference number is GNRKQ4IT . Would you like me to do anything else for you? Sentence6: Would you like me to make a reservation for you then? Sentence7: Yes please, 1 person on sunday at 14:15. Sentence8: Sure thing, I reccomend byard art it has free admission. Sentence9: I would like to find a place to eat dinner. Sentence10: I'm craving some Modern European food! Sentence11: Thank you. Could I get the area, post code, and address? Sentence12: enjoy your stay in Cambridge! Sentence13: Could you recommend a museum? Sentence14: No that's everything I needed, thank you! Question: Who has spoken the sentence 1? (A) User (B) System

SOLUTION:
Answer: (B) System