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: How about the Gonville Hotel located in the centre area of town? Sentence2: Between $100-$300 per night. Sentence3: I have several available. What is your price range? Sentence4: Ok, I have several hotels. Any particular location? Sentence5: Location doesn't really matter as long as there's free parking available. Sentence6: What is their postcode? Sentence7: I need a place to stay with free wifi. Sentence8: Their postcode is cb11Iy, address gonville place, phone 0122336661 they have wifi and free parking too. Would you like me to book this for you? Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Yes, both the Hobsons House and the college are both in the west part of town. Would you like information for the college? Sentence2: Booking completed! Your ca is a black lexus and the contact number is 07301130189 Sentence3: It doesn't matter. Sentence4: Queens college is quite pretty. It is on Silver street in the west. Sentence5: Perfect! That's all I need today, thank you! Sentence6: No, I need something in the western part of town. Sentence7: There are lots of churches in the centre of town. Would you like to visit one? Sentence8: What would you recommend? I don't have a preference. Sentence9: There are many colleges and museums on the west side. There is also one entertainment center. Which do you prefer? Sentence10: Do you know when you want to get there by? Sentence11: You are very welcome. Glad I could help. Have a nice day. Sentence12: Is it near the Hobsons House hotel? Sentence13: Actually, the college sounds great. I don't need more info. But I would love a taxi to get me from Queens College to Hobsons House. I want to leave by 16:30. Sentence14: Hello. I'm looking for a few good places to see in town on my next visit to cambridge. Question: Who has spoken the sentence 6? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Mexican will be fine. Could I have the address and phone please? Sentence2: Thank you. Goodbye. Sentence3: Goodbye. Sentence4: Chiquito restaurant bar is a mexican restaurant located in the south part of town in the expensive price range. Their phone number is 01223 400170 and their address is 2G Cambridge Leisure Park Cherry Hinton Road Cherry Hinton. Sentence5: There are five expensive restaurants available in the south part of the city. Mexican, Italian, Indian, and two Chinese restaurants are available. What type of food would you like? Sentence6: I want to visit an expensive restaurant in the south part of town. I need the address, phone number, and type of food. Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION:
Answer: (A) User