Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: Thank you for using our service today, and have a wonderful stay in Cambridge! Sentence2: Are there any hotels in the same price range? Sentence3: Yes, in west Cambridge. Sentence4: I cannot find anything in cambridge. Sentence5: Can you find me a 3 star hotel with free wi-fi? Sentence6: What day are you beginning your stay? How many days and how many people do you want to make a booking for? Sentence7: I need it for 4 people for 4 nights starting Monday please. Sentence8: yes, please and be sure to provide me the booking number, thank you. Sentence9: That will be all. Thank you for your help. Sentence10: I found Hobsons House guesthouse in the west. It is a 3 star moderate and has free internet. Can I book it for you? Sentence11: The lensfield hotel is expensive and has a 3 star rating. Sentence12: The Hobson in not open, but I have the Hamilton open, would you like me too book it, it fits the same criteria. Sentence13: I have 3 guesthouses all in the moderate price range. Is there a particular area you wish to stay in? Sentence14: Is there a guesthouse available? Sentence15: Yes please and I need the reference number Sentence16: Great. You're all booked and your reference number is UMRJOUWZ . Anything else I can do for you? Question: Who has spoken the sentence 11? (A) User (B) System
Output:
Answer: (B) System