Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: Does not matter can you just recommend one please. Sentence2: They are located at unit su43, grande arcade, saint andrews street, cb23bj. You can reach them at 01223307402. Sentence3: Castle Galleries is a very nice museum in the centre, and their entrance fee is free! Sentence4: There are 79 attractions in Cambridge. There are churches, museums, swimming pool, and many more attractions. What are you interested in doing? Sentence5: There are 11 museums in the centre area. There is a science museum, an art and antiques museum, and 9 others. What kind of museum are you interested in? Sentence6: Hi, I am traveling to Cambridge and am super excited to see some local tourist attractions. I am looking for some suggestions on places to go in town. Sentence7: Thank you. I am also needing help booking a guesthouse in the north part of town. Can you assist me with that? Sentence8: 4 people for 5 nights starting Sunday and I also need the ref # too please Sentence9: Perhaps I'd like to see a museum. Are there any in the centre? Sentence10: Excellent. Can I please have they're phone number and address please? Sentence11: Ok great, we have you booked in the alpha-milton guest house at 63 milton road. Your Reference number is : KPUSMIB9 . Thank you! Sentence12: You're in luck. There are 11 guesthouses in the north. What amenities are you looking for? Question: Who has spoken the sentence 9? (A) User (B) System
Output:
Answer: (B) System