You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: Perfect, thank you. Can you recommend a Mediterranean restaurant in the centre of town? Sentence2: The kirkwood house is a guesthouse in the moderate price range. Their address is 172 chesterton road, post code cb41da. Sentence3: Thank you have a nice day. Sentence4: Gardenia is fine. Can I get the postcode and price range? Sentence5: I'd like to get the address, hotel type, and price range please! Sentence6: There are 3 mediterranean restaurants in the centre. The Gardenia had good food and is cheap, while the other to are in the highest price range. Sentence7: I'm looking for the hotel called Kirkwood House. Sentence8: What specific information are you looking for? Sentence9: Thank you for finding the Gardenia for me, that is all I need today. Sentence10: The Gardenia is in the cheap price range and is located in postcode cb23ll. Question: Who has spoken the sentence 4? (A) User (B) System
A:
Answer: (A) User