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

Input: Consider Input: Sentence1: What is your departure point? Sentence2: What time do you need to leave by? Sentence3: I am looking for a train to cambridge. I would like something on sunday to arrive by 18:30 Sentence4: I just want to get there at or shortly before 18:30. Sentence5: I'd like to recommend whipple museum of the history of science, at free school lane. Admission is free. Sentence6: Yes it is their full address and the postcode is cb23rh and their telephone number is 01223330906. May I help you with anything else today? Sentence7: Thank you. That is all that I need. Sentence8: i place want a place to go in the centre Sentence9: I found the perfect train! TR7771 will get you there at 18:24. Would you like me to book this for you? Sentence10: Ok, your booking is complete for 6 people. The cost is 79.19 GBP, payable at the station. The reference number is 8W0OSFM6 . Sentence11: I would like a museum in the centre please. Sentence12: What are you into? Do you like theatre? Museums? We have plenty of attractions in the centre and if you tell me what you enjoy I can recommend one Sentence13: My departure will be from Cambridge. Sentence14: Okay. Glad I could be of help. Sentence15: Is that the full address for the museum? Free School Lane? Sentence16: I need to go to Peterborough. Sentence17: Yes, please book me for 6 people. My birdwatching club is taking a trip together. Sentence18: And what is your destination city? Question: Who has spoken the sentence 6? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: Okay. Can you tell me how much it costs to get in? Sentence2: No thank you, that is everything. Sentence3: I am looking for an architecture attraction somewhere in Cambridge. Sentence4: You're welcome. Have a good day! Sentence5: There are 5 different attractions all located in the centre of the city. I'd recommend holy trinity church. Sentence6: The vehicle you will be expecting is a black Tesla . The contact number is 07726876557. Anything else you need? Sentence7: Your hotel is booked starting Wednesday and your reference number is PADGS18 . May I assist you with anything else today? Sentence8: I have booked you a taxi that will pick you up at 1:15 from Holy Trinity Church. Would you like the car type and contact number? Sentence9: Yes, what can you tell me about a hotel called the Warkworth House? Sentence10: I would like to book it for 8 people for 2 nights starting on wednesday. Sentence11: Yes, please, that would be nice. Sentence12: It is free. Is there anything else that I can help you with? Sentence13: Actually, yes. I need a taxi to pick me up from Holy Trinity Church at 1:15 and take me to the hotel. Sentence14: Hey, the Warkworth is in the East part of town, it's a four star hotel with moderate pricing. What can I tell you about it? Question: Who has spoken the sentence 10? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: I was able to book you, your reference number is HOR1CR41 . Any other questions today? Sentence2: Book it please! Can you also provide a reference number? thanks! Sentence3: Hello! I am looking for a play stay, I would like it in the expensive range and to stay in the north Sentence4: I am very sorry there are no results for an expensive hotel in the north area, would you like to try a different area or price range? Sentence5: Yes, but I need the day that you will be arriving first. Sentence6: I have 2 options here. May I suggest ashley hotel? Shall I go ahead with the booking? Sentence7: A hotel, please. For 4 people and 4 nights. Sentence8: Please book for 4 people and 4 nights starting from tuesday. Sentence9: I'm showing several guesthouses and two hotels in the north area and all have internet and parking. Would you prefer a guesthouse or hotel? Sentence10: Yes, I just double checked for you. There are some in the moderate price range if you're interested? Sentence11: Nope. Thank you so much for your help. Sentence12: It was a pleasure to assist you. Thank you for using our service. Goodbye. Sentence13: Are you sure there is no place to stay that is expensive and in the north? Sentence14: Yes please. An expensive hotel in the north with free parking and free internet. Can you book the room for me please? Question: Who has spoken the sentence 11? (A) User (B) System


Output: Answer: (B) System