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: Could I get the phone number, postcode, and the area that The Cost of Clare Hall is located in, please? Sentence2: I've found 18 possible matches based on your preferences. Would you like to add additional preferences for your hotel? Sentence3: Great. Thank you. That's all I need. Sentence4: I need a hotel that's cheap with free parking. Sentence5: Okay great. I'd also like to find a guesthouse that has a 4 star rating. Sentence6: The phone number is 01223332360, postcode is cb39al, and the area is west Sentence7: That would work, can you please book it for 1 person for 5 nights starting from Monday? Sentence8: I would like some information on an attraction called Clare Hall. If you could provide address and cost of admission that would be great. Sentence9: The Cost of Clare Hall is free, so you don't need to worry about that. The address is herschel road. Any more questions? Sentence10: All right, your room is reserved at the Alexander for four nights. Your reference number is GI3N4VIV . Sentence11: Four nights would work. Sentence12: I apologize but could you book for another day or for a shorter stay? Sentence13: Alexander bed and breakfast is cheap with free parking and internet. It is in town centre. Does this suit your needs? Sentence14: Great! Glad we could help! Question: Who has spoken the sentence 11? (A) User (B) System
A:
Answer: (B) System