Detailed Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: Great. Enjoy your stay in Cambridge. Sentence2: How does lovell lodge sound? It is in the moderate price range but it has a two star rating. Sentence3: I have found three hotels which in the cheap and moderate price range. They are also located in the north and centre area. Which do you prefer? Sentence4: Yes, I was able to book that for you. Address is 365 milton road. Reference number is EWRN88MQ . Would that work for you? Sentence5: Great! Let me know if you need anything else. Sentence6: We will. Thanks again. Sentence7: Yes please that would be great. Can you do it for 5 people for 5 nights starting sunday Sentence8: I am looking for a place to stay with free wifi and a 0 star rating. Sentence9: I have located citiroomz in the centre area, would you like me to book you? Sentence10: Yes that's fine. Thank you so much! Sentence11: Do they have rooms available for 5 people for 5 nights starting on Sunday? Sentence12: Sorry, that booking was unavailable. Would you like to try another hotel? Sentence13: Can you find a hotel in the same price range? Sentence14: One with moderate price range, please. Question: Who has spoken the sentence 13? (A) User (B) System
A:
Answer: (B) System