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

[EX Q]: Sentence1: You're welcome. Can I help you with anything else? Sentence2: That is all. Thanks Sentence3: The post code is CB11JG. Sentence4: Thank you, what's the post code? Sentence5: Thank you for your help Sentence6: Cambridge, parkside police telephone number 01223358966. Sentence7: I need to get to the nearest police station, can you assist me? Sentence8: Okay. Have a good day and thanks for using our system. Question: Who has spoken the sentence 4? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Sure, it's at granta place, Mill lane. Sentence2: Sure it's a moderately priced 4 star guesthouse in the east. Would you like me to book it? Sentence3: From all of us at Cambridge, we hope you enjoy your stay! Farewell! Sentence4: Thank you so much for all of your help today. I am all set. Bye. Sentence5: Could you tell me their address as well please? Sentence6: Thanks! I'm also looking for information on the A & B Guesthouse. What can you tell me about that place? Sentence7: Yes, the post code for the A and B Guest House is cb12dp. Is there anything else I can do for you? Sentence8: What is the phone number for scudamores punting co? Sentence9: Okay, which would you like to leave from? Sentence10: The phone number for Scudamores Punting Co is 01223359750. Is there anything else I can help you with today? Sentence11: Your taxi is booked. The car is a yellow honda and the contact number is 07826111038 Sentence12: May I have the postcode? Sentence13: I would like to leave the hotel by 7:00. Also, can you give me the contact number and car type once you have booked it? Sentence14: I also need a taxi to go between the two places. Question: Who has spoken the sentence 4? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Thanks for all your help! That will be all. Goodbye. Sentence2: It doesn't matter to me. Is there anything available? Sentence3: Your reservation for 3 tickets on the TR2512 train at 23.60 person was successful, the total fee is 70.8 GBP payable at the station. Your Reference number is : 1MKW1ZCT . Sentence4: No I diffidently want a hotel. Ashley sounds good can I book a stay on Thursday? Sentence5: I need 3 people for 5 nights starting thursday Sentence6: I'm looking for moderately priced rooms. I'm willing to pay for parking, though. Sentence7: Well, we have three hotels, the Ashley, Cityroomz, and Lovell Lodge, as well as fifteen guesthouses. Would you like to know about any of them? Sentence8: Where will you be departing from? Sentence9: Thank you for using our service today! Sentence10: That's perfect! Please make a booking for 3 and provide the reference number once you're done. Thanks! Sentence11: I will be leaving London kings cross. I need to be in Cambridge by 15:45. Sentence12: Sure, how many people and how many days do you want to stay? Sentence13: What area of town are you looking to stay in? Sentence14: Booking was successful. Reference number is : 3UJ7212U . Sentence15: I also need a train leaving the same day as hotel Sentence16: There is a 13:17 that would arrive by 14:08. Would that work? Question: Who has spoken the sentence 8? (A) User (B) System
[EX A]:
Answer: (A) User