Given the task definition and input, reply with output. You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: Yes, I would like to find a mediterranean restaurant in the cheap price range. Sentence2: How about the vue cinema located in the centre of town? Sentence3: the gardenia should meet your needs. Sentence4: I don't have a preference. Sentence5: Their phone number is 01223356354. Do you need anything else? Sentence6: And what area are they located? Sentence7: Ok, thank you, that's all the information I need right now. Sentence8: i am happy i have been of help. welcome any time. Sentence9: I want some advice on places to go. Sentence10: Great, can you give me the phone number? Sentence11: The Gardenia is in the centre of town. Sentence12: I'm uncertain about the entrance fee. The postcode is cb11ps and the phone number is 08712240240. anything else today? Sentence13: What area of town would you be in? Sentence14: That sounds great. Can I get the postcode, entrance fee, and phone number? Question: Who has spoken the sentence 11? (A) User (B) System
Answer: (B) System