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

Sentence1: My destination is cambridge. Sentence2: What day will you be traveling? Sentence3: Hey. I'm looking for a train from stansted airport. Sentence4: What is your destination ? Sentence5: I plan to go on tuesday. Sentence6: How many tickets would you like? Sentence7: There are trains departing every hour. TR5077 would get in in at 8:52, does that work for you? Sentence8: That sounds perfect. Can I get the reference number from the booking? Sentence9: I would like 4 tickets. Sentence10: Booking was successful, the total fee is 40.4 GBP payable at the station. Reference number is : WWW231NO . Is there anything else you need? Sentence11: There are several. Do you have a time you need to travel specifically? Sentence12: The train should arrive by 10:00 if at all possible. Question: Who has spoken the sentence 5? (A) User (B) System
Answer: (B) System

Sentence1: I don't have a preference. Can you recommend one? Sentence2: Thank you that's all the help I need. Goodbye Sentence3: I can work on booking this for you. Sentence4: Sounds great, thanks. I am also looking for a restaurant in the Centre that serves gastropub food. Sentence5: I'm looking to visit a museum in Cambridge. Can you tell me a little about what you have? Sentence6: I would also like to book a taxi to get between the museum and the restaurant. Sentence7: I will make a booking for backstreet bistro,Booking complete here is your reference number T9TB8FBO . Sentence8: I need to arrive at the restaurant by 14:45. I'll need the contact number and car type as well please. Sentence9: Sure. Is there anything else I can assist you with today? Sentence10: It really doesn't matter money is no object. I need a table for 8 on thursday at 14:45. As long as its a gastropub in the centre of town Sentence11: Okay I have booked your taxi. The contact number is 07498867892 and the car is a blue tesla. Sentence12: Cambridge Artworks is a great place and has free entry. Their address and phone number is 5 Greens Road 01223902168. Sentence13: awesome! thanks for all the info Sentence14: There are 23 museums that match that criteria. What area should the museum be in? Sentence15: Okay, there are 3 different restaurants. What is your price range? Sentence16: Thanks for using our service today! Question: Who has spoken the sentence 7? (A) User (B) System
Answer: (B) System

Sentence1: Have a nice day, goodbye. Sentence2: We have a lot of excellent options. Is there a particular area you'd like to visit? Sentence3: There are parks in the centre, east, north and south. Could you please let me know which area you prefer? Sentence4: Yes, I would like to find a park to go to. I will need the phone number and postcode. Also, what is the entrance fee for this? Thanks! Sentence5: Sure, the phone number is 01223446011 and the postcode is cb18dw. Is there anything else I can help you with? Sentence6: Perfect, can I get 8 tickets? Sentence7: i am also looking for places to go in town. The attraction should be in the type of park. Sentence8: Can I get the phone number and the postcode? Sentence9: Yes, I would like to visit a park. Sentence10: It is free admission. Sentence11: I will be leaving after 15:15 on Tuesday. Sentence12: There is the Cherry Hinton Water Play park in the east. It's free to get into. Sentence13: Okay, that's all I need, thank you so much! Sentence14: Can I please get a train ticket from Norwich to Cambridge? Sentence15: Booking was successful, the total fee is 140.8 GBP payable at the station . Reference number is : CO0GWJCJ . Can I help you with anything else today? Sentence16: The area doesn't matter, can you recommend one? Sentence17: TR4180 leaves at 15:16. Does that work for you? Sentence18: We have many trains available but to help find the right one could you provide me with what day you will be departing and your departure time and arrival? Question: Who has spoken the sentence 14? (A) User (B) System

Answer: (A) User