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: 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: i want to find a hospital in town Sentence2: No, can I get the phone number, address, and postcode? Sentence3: welcome. at your service next time Sentence4: Addenbrookes Hospital is nearby, at Hills Rd, Cambridge. Do you need a particular department? Sentence5: you are always welcome Sentence6: Great, that's all I need today! Thank you! Sentence7: The phone number is 01223245151, The address is Hills Rd, Cambridge. The Postcode is CB20QQ. Sentence8: Thank you for your help. Question: Who has spoken the sentence 6? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: There is only one train traveling from Cambridge to Stevenage on Thursday close to 23:30. It is the TR8239, would you like for me to book you a ticket? Sentence2: Thank you for contacting Cambridge TownInfo centre. Goodbye! Sentence3: Thank you so much, no need for booking, that is all of my questions. Sentence4: I need a train from Cambridge to Stevenage please. Sentence5: Yes, please. I'll actually need 7 tickets. Sentence6: Perhaps with different criteria? I have nothing for 0 stars, expensive, in the centre. Sentence7: I'd like to leave on Tuesday after 21:30, please. Sentence8: How about cheap price range? Sentence9: I also need an expensive lodging in the center of town. Sentence10: I was able to reserve 7 tickets for you. Your total fee is 89.6 GBP and your reference number is BRQC79TR . Do you need anything else? Sentence11: Okay, once you've found a hotel, could you give me the hotel type, post code and whether or not they have free parking? Sentence12: Hmm, I was really looking for something with 0 stars. Can you check for any guesthouses instead? Sentence13: I have 4 trains for those locations. What day and time were you looking for? Sentence14: I'm still looking, please stand by. Sentence15: The el shaddai is a guesthouse with free parking. The postcode is cb11eg. Sentence16: I found 2 hotels, the gonville hotel, 3 stars, and the university arms hotel, 4 stars. Which do you prefer? Question: Who has spoken the sentence 12? (A) User (B) System

SOLUTION:
Answer: (A) User