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

Example Input: Sentence1: You are welcome. Have a great day. Sentence2: Thank you, that will be all. Sentence3: leave after 22:30 and dont care when i arrive Sentence4: Hello. Can you book a taxi for me? I need to travel from the Grafton Hotel Restaurant to Home From Home. Sentence5: No problem at all. What time do you want to leave and arrive by, respectively? Sentence6: Alright, I've got a white skoda coming to pick you up at the Grafton Hotel Restaurant at 22:45, your contact number for them is 07935014262. Question: Who has spoken the sentence 1? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Thank you, good bye. Sentence2: Sure. It's in the centre on Station Road. Anything else? Sentence3: The cityroomz is a 0 star hotel in the moderate price range. It is in the centre of town. Would you like me to book it for you? Sentence4: Is the cityroomz a guesthouse? That's what I'm looking for. Sentence5: Yes, can you book that for me for 5 people and 4 nights? I need it on Sunday. Sentence6: Have a wonderful time, good bye. Sentence7: You know what, the hotel will actually work for me. Can you tell me where Cityroomz is located? Sentence8: How about two night? Sentence9: No, Cityroomz is a hotel. The City Center North B&B or the El Shaddai are 0 star guesthouses. Sentence10: Sorry, that booking wasn't available. Maybe another day or a shorter stay would work? Sentence11: Could you help me find a 0 star hotel? Sentence12: That worked. Your reference number is YZMQ4JNN . Question: Who has spoken the sentence 6? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: The saint barnabas press gallery is free to enter and is located at the belfast yard, coldham's road, cb13ew. Anywhere else you'd like me to check? Sentence2: Yes, please book it for 7 people. Sentence3: I will be going to Cambridge from Kings Lynn. Should have clarified before. Sentence4: I'd like to visit The Saint Barnabas Press Galary. What is the postcode, phone number and entrance fee? Sentence5: Great. Can you also help me find a museum to visit in the east? Sentence6: Ok I have train TR5331 booked for you for 7 people. Your reference number is Q2o02XDS . Sentence7: I have a TR5331 arriving at 15:58, will that work for you? Sentence8: Where will you be going? Sentence9: You are most welcome. Enjoy the museum. Sentence10: I would like to find a train leaving from Cambridge on Friday after 14:45. Sentence11: No, I believe that is everything. Thank you! Sentence12: We have 5 museums in the east. Cambridge artworks, cambridge museum of technology, gallery at twelve a high street, and the saint barnabas press gallery. Question: Who has spoken the sentence 2? (A) User (B) System
Example Output:
Answer: (A) User