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: Yes. I need a hotel with free parking. I would like it in the moderate price range. Sentence2: I booked you a yellow volkswagen and their number is 07162096037 Sentence3: Thank you for correcting that. Can you book a taxi for me? I'd like to go from the Broughton House to the hotel, and leave by 5:30. Sentence4: No I don't care about the area, but I do want a hotel and not a guest house. Sentence5: There are 14 hotels that meet your criteria, do you have a preference in the area? Sentence6: That sounds interesting! May I have their phone number please? And what is the fee to get in? Sentence7: Ashley hotel is a hotel located in the north part of town and is in the moderate price range. It also offers free parking and internet. Does this suit you? Sentence8: There is a museum on 98 King Street named Broughton House Gallery. Sentence9: Okay great. Do not hesitate to call us if there is anything else you need. Sentence10: That sounds good, can you also provide me with the star rating for it? Thanks Sentence11: We have quite a few of those. Do you have any other preferences? Price range, perhaps? Sentence12: Great! I'm also looking for a place to go in the centre. Any suggestions for something fun? Sentence13: Yes, I am looking for a hotel in the moderate price range. Sentence14: I will also need a taxi to get me between the two places, the Ashley hotel and Broughton House. Sentence15: The Ashley Hotel is a 2 star hotel. Sentence16: I am sorry. There must have been a system glitch. The phone number for the broughton house gallery is 01223314960 and the entrance fee is free. Sentence17: Thank you! I have everything I need now. Sentence18: Yes, their number is 01223314960 and the entry fee is free Question: Who has spoken the sentence 5? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: I need to find a hospital nearby that has a hepatobillary and gastrointestinal surgery referral center Sentence2: No, that's it. Thanks! Sentence3: No, I just need the postcode. Sentence4: You're very welcome. Have a great day! Sentence5: Certainly. The postcode is CB20QQ. Anything else I can help you with today? Sentence6: Addenbrookes Hospital located at Hills Rd, Cambridge has that department. Would you like the phone number to that direct department? Question: Who has spoken the sentence 5? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: No, thank you. Sentence2: What kind of food are you interested in? Sentence3: How about Cote, which is in the expensive price range and serves French food? Sentence4: You could also try Restaurant Two Two. Sentence5: I really have no desire for Cote. Are there other restaurants available? Sentence6: Ok I will try this one. I would like the address and phone number please. Sentence7: thank you. good bye Sentence8: There are expensive French restaurants in the centre and north areas of town. Do you have a preference for location? Sentence9: French food. Sentence10: I don't care. Sentence11: I am looking for an expensive restaurant. Sentence12: restaurant two two address is 22 Chesterton Road Chesterton and the phone is 01223351880 is there anything else I can help you with? Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION:
Answer: (A) User