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

Sentence1: Yes do you have the name of the hotel? Sentence2: Booking completed! Expect a red Ford to pick you up at the hotel at 10:30. Their contact number is 07439027429. Can I assist you otherwise? Sentence3: It is in centre of town and has 4 stars and is priced expensive. Sentence4: I have booked it here is the information:Booking was successful. Reference number is : 4AHCO6OI . Sentence5: Hi, can you give me some information on a particular hotel? Sentence6: The post code for nusha is cb17dy. I'm checking on your taxi reservation. Sentence7: I need 3 nights starting on Thursday. Should have enough room to accomodate 4 people. Sentence8: What nights are you looking to stay so I can check the availability? Sentence9: Ok, thank you. I will need to know what kind of car is picking me up. Sentence10: It's called the University Arms Hotel. Sentence11: Okay, please provide me with the postcode, and also I want a taxi to take me there. It should leave the hotel by 10:30. Give me car type and contact number Sentence12: No, but thanks for all your help! Goodbye! Sentence13: There are two entertainment attractions in the south. I suggest nusha. Sentence14: can you try entertainment ? Sentence15: Great, can you help me find a multiple sports place to visit in the south also? Sentence16: I'm sorry, there are no multiple sports venues in the south part of town. Would you like to try another area or attraction? Sentence17: Have a great day! Sentence18: I'd like to book a few rooms for Thursday. Are there rooms available? Question: Who has spoken the sentence 1? (A) User (B) System
Answer: (B) System

Sentence1: 4 people please. Sentence2: What area is it in? Sentence3: I'm looking for a hotel to stay in. I prefer something in the expensive price range, and also one that offers free parking. Sentence4: I also need a train going to Leincester from Cambridge. I want to leave on Monday and arrive at 13:00. Sentence5: Booking was successful. Reference number is : H9CE5KK3 . Can i help you with anything else? Sentence6: The gonville hotel is in the centre area and the lensfield hotel is in the south area. Would either of these hotels work for you? Sentence7: The gonville hotel may be a good option. Sentence8: Which day would you be arriving at the hotel, and how long will you be staying? Sentence9: yes can you please. thank you Sentence10: In that case, you'd prefer The Lensfield. Do you need to book a room? Sentence11: Wednesday for 4 people, just one night. Sentence12: i want the one in the south Sentence13: I'd like a place with 3 stars. Sentence14: The Lensfield Hotel or Gonville Hotel both meet your criteria. Would you like me to make a reservation for you at either option? Sentence15: How many tickets do you need? Sentence16: Your tickets have been booked. Your reference number is 6F8IVDHH . Question: Who has spoken the sentence 4? (A) User (B) System
Answer: (A) User

Sentence1: Is that in the Centre? If so, could I get the postcode, and how much the entrance fee is? Sentence2: I booked the train. Your reference is 8FYR7N4L and it was 78.4 total. Sentence3: What day and what time? Sentence4: Great, that's all I needed! Sentence5: I need a train from kings lynn, please. Sentence6: Little saint mary's church has some great architecture you could check out Sentence7: Wonderful! Have a great day! Sentence8: I found 10 trains that match. How about TR2788 that leaves at 05:11? Sentence9: I would like to leave on Thursday and arrive by 15:15. Sentence10: Sure thing! their postcode is cb58bs and there is no entrance fees to get in Sentence11: that sounds fine. book for 8 people and get me the reference number Sentence12: Great! Can you also recommend something interesting to do while I am in town? Question: Who has spoken the sentence 4? (A) User (B) System

Answer: (A) User