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

Sentence1: I am looking for a particular hotel. Its name is called autumn house Sentence2: Thank you goodbye Sentence3: Could you try Wednesday, instead? Sentence4: You're welcome. Thank you for calling and goodbye. Sentence5: That's for 8 people and it's for 2 nights. Sentence6: Booking was successful. Reference number is : 3H0WHD4Z . Sentence7: No thanks. Would you book the Autumn House for me starting on Monday, please. Sentence8: I'm sorry, your booking was unsuccessful. Would you like to book another day or a shorter stay? Sentence9: How many people would be staying and how many days will you be staying? Sentence10: I have the Autumn House. It is at 710 Newmarket Road. Would you like the phone number? Question: Who has spoken the sentence 3? (A) User (B) System
Answer: (B) System

Sentence1: Would that be London Liverpool or London Kings Cross? Sentence2: We don't have any trains going from Ely to London Liverpool or London Kings Cross. Do you need anything else? Sentence3: I will be leaving from Ely and going to london. Sentence4: Are you sure you don't have a preference? Sentence5: Either one is fine with me. Sentence6: On Saturday I need a train that will arrive by 21:45. Sentence7: Yes I'm sure. I need to book that for 5 people. Sentence8: Can you tell me where you will be departing from and heading to? Question: Who has spoken the sentence 6? (A) User (B) System
Answer: (A) User

Sentence1: Nope, I'm open on price. It doesn't need to have internet. Sentence2: Is price important to you? Sentence3: I don't have a preference. Sentence4: There are a lot of options in that area. Would you prefer something free to visit? Sentence5: Okay, how about the Alexander Bed and Breakfast? Sentence6: Okay, you're all set! Your room has been reserved and your confirmation number is 4X57GWOC . Is there anything else I can help you with? Sentence7: Hello, I am planning a trip for next month. Can you suggest some places to go in town? Sentence8: Can you select one? I also need the entrance fee, if there is one. Sentence9: I also need to book a taxi when I got from the hotel to Cambridge Punter. I'd like to leave the hotel by 01:00. Sentence10: Thank you. I also need a hotel in the same area as the Cambridge Punter. Sentence11: That sounds great, can you book it for me for 3 people? Checking in monday and will be staying 4 nights. Sentence12: there is scudamores punting co or the cambridge punter Sentence13: Do you have any specific attractions in mind? Sentence14: I prefer the Cambridge Punter, but I don't have the fee information for any boat attractions. Their number is 07807718591 - I'm sure you could call and find out. Sentence15: I am interested in boat attractions in the centre. Sentence16: Okay. We have you booked. The car type will be a black BMW. The contact number is 07167383694. Can I help you with anything else today? Sentence17: Thank you for contacting us and have a nice day. Sentence18: no thanks you have been very helpful to me Question: Who has spoken the sentence 8? (A) User (B) System

Answer: (A) User