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

Sentence1: Do you need anything else? Sentence2: no that will be all thank you Sentence3: There are several swimmingpools as well as a park and a boat attraction in the north. do any of these appeal to you? Sentence4: sure, do you need some information? Sentence5: It doesn't matter when I arrive, but I need to make a booking for 5 people. And I definitely need a reference number for the booking. Sentence6: Okay, have a great day! Sentence7: The address is milton country park, milton, cb46az. Will that be all? Sentence8: No thank you. Sentence9: Booking was successful, the total fee is 151.19 GBP payable at the station, your reference number is EM5AYOET . Will that be all? Sentence10: Can you give me the address for the park? Sentence11: I am planning a trip in Cambridge. Sentence12: I need to book a train from Cambridge to Leicester, leaving after 20:00 on Sunday. Sentence13: There are 4 options leaving after 20:00, by what time do you want to arrive in leicester? Sentence14: Actually, I could use some help finding something fun to do in the north. Question: Who has spoken the sentence 5? (A) User (B) System
Answer: (B) System

Sentence1: Yes, please. I need to book the train for 8 people. Sentence2: enjoy your stay in cambridge! Sentence3: TR2125 leaves a 09:01 and arrives by 10:01. Would you like a ticket? Sentence4: Thanks! I also need a train to Broxbourne on Thursday. Sentence5: I'm looking for places to go watch entertainment. Sentence6: Fantastic, thank you very much. I don't need anything further today! Sentence7: There are 5 entertainment venues in Cambridge. Do you have an area in mind? Sentence8: There are quite a few options. Do you have a preference for departure or arrival time? Sentence9: I don't mind the area. can I get the address to one of them? Sentence10: Yes I was able to book that for you and your reservation number is 648C0A9S . Sentence11: Yes, I want to depart from Cambridge any time after 8:30. Sentence12: The Funky Fun House is amazing. I think you'll love it. Their address is 8 Mercers Row, Industrial Estate. Question: Who has spoken the sentence 4? (A) User (B) System
Answer: (A) User

Sentence1: If you think of anything else you need don't hesitate to contact us, we're always happy to help. Sentence2: Train TR5902 will suit your needs. May I book it for you? Sentence3: where are you going to? and what time would you like to travel? Sentence4: Yes please, I need to book it for 6 people. Sentence5: I have 3 entries available. 2 in the west and 1 in the centre. Do you have a price in mind? Two are expensive and one is cheap Sentence6: Yes, please for 6 people starting tuesday night. Sentence7: I'm looking for a 4 star hotel in the cheap price range, the place should have free parking. Sentence8: how many days will you be staying? Sentence9: I am going to Peterborough and it should arrive by 17:00 on Tuesday. Sentence10: I would prefer the cheaper one, please. What's it called? Sentence11: Yes they have both free wifi and parking. It's located at back lane, cambourne in the west. Would you like me to book you a room? Sentence12: The cambridge belfry is located on the west side and is super cheap. Sentence13: Booking was successful, the total fee is 99 GBP payable at the station . Reference number is : 9YJM47UH . Sentence14: No thanks. That is all I needed. Sentence15: Thank you I also need help with a hotel. I am looking for a 4 star hotel. What you got? Sentence16: Hi there. I would like to find a train leaving Cambridge. Sentence17: No problem. Their address is back lane, cambourne. Is there anything else I can do for you today? Sentence18: They sound like just what I need. Could you verify whether they have free parking, and give me their address? Sentence19: I'm sorry, I changed my mind. I don't need a room booked. I just need their address. Sentence20: The cambridge belfry is available, would you like to book there? Question: Who has spoken the sentence 2? (A) User (B) System

Answer: (A) User