You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: What is the address and postcode? Sentence2: That's all I need. Thanks, good bye. Sentence3: The address is Parkside, Cambridge and the postcode is CB11JG. Sentence4: The telephone number for the Parkside Police is 01223358966. Sentence5: Glad I could be of service. Sentence6: I'm looking for a the Parkside police station. Question: Who has spoken the sentence 2? (A) User (B) System
Answer: (A) User

Sentence1: Can you tell me more about gourmet burger kitchen? Where is it? Sentence2: No, that's all I need for now. you've been very helpful. Thanks. Sentence3: They are in the towns centre. Expensive but worth every penny. Would you like to book a table? Sentence4: How about the postcode and attraction type for Byard Art? Sentence5: Thanks, I'm all done here. Sentence6: I have that table reserved. Your reference number is K94DWSQN . Can I help you with a taxi or hotel room? Sentence7: You're welcome. Have a great day! Sentence8: Unfortunately, we do not have information on several of them. But, Byard Art, Wandlebury Country Park, and Sheep's Green and Lammas Land Park are all free admission attractions. Sentence9: I have booked you a taxi that will get you there by 13:15. The car type is a blue Tesla and the contact number 07664553144. Can I do anything else? Sentence10: Enjoy yourself.You can call us if you need anything else Sentence11: no, not really. What are entrance fees on the 8 attractions? Sentence12: What can you tell me about attractions in the south part of town? Sentence13: I need a taxi from Byard Art that will get us to the restaurant on time. Sentence14: We have 8 attractions in the south part of town. Do you have a preference of type? Sentence15: Yes please, a table for 6 people at 13:15 on Tuesday would be amazing. Sentence16: Postcode, cb21sj, and the type is museum. Is there anything else I may help you with? Question: Who has spoken the sentence 3? (A) User (B) System
Answer: (B) System

Sentence1: Unfortunately there are no British restaurants in the South in that price range. Would you like to try a different type of food? Sentence2: Oh, no, I need a train that leaves from Birmingham new street and go to Cambridge. Sentence3: Hi, I need to catch a train after 14:15 on Thursday. Sentence4: No thanks. I have all I need now. Have a good one. Bye. Sentence5: No but can you give me the address, postcode and phone number for the Peking Restaurant please? Sentence6: Sure. Peking Restaurant, 10 Homerton Street, City Centre cb28nx, Phone: 01223354755. Is there anything else I can help you with? Sentence7: There is a train that departs cambridge and arrives at london kings cross on friday. Sentence8: How about TR8121? It leaves at 14:40. Sentence9: There are two with your preferences, The Good luck Chinese takeaway and Peking Restaraunt. Both are in the South, would you like me to book one of those? Sentence10: It arrives in Cambridge at 17:23. Sentence11: British food would be my preference. Sentence12: The cost is 75.10 pounds per ticket. The travel time is 163 minutes. As far as restaurants I have 5 available. Which type of food would you like? Sentence13: What time does it arrive? Sentence14: Have a good day. Sentence15: I'll need to know the price and travel time, and I am also looking for an expensive restaurant in the south. Sentence16: Okay, how about Chinese food. Question: Who has spoken the sentence 4? (A) User (B) System

Answer: (A) User