You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: How many people and what time would you like me to make your reservation? Sentence2: on tuesday. book and give me the reference number Sentence3: There is parkside pools. Their address is gonville place. Sentence4: Sure for what day? Sentence5: Okay, what are the hours they're open? Sentence6: How about a swimming pool? Sentence7: Hello, I am looking for a local restaurant that serves indian food and is located in the centre of town. Sentence8: I have a party of 8 and need it for 14:45. Can you help me with that? Sentence9: I do not have that information. Sentence10: I was looking for something for a type of multiple sports. Sentence11: I would like it to be an expensive place to eat. Sentence12: Booking was successful. The table will be reserved for 15 minutes. Reference number is : KGMVNKJM . Sentence13: I would actually like to book a table for tuesday. Sentence14: I recommend curry king. their phone number is 01223324351. Sentence15: I dont have that in the centre. Would you like to try something else ? Sentence16: We have nine Indian restaurants in the centre. If you have a price range preference, we have both cheap and expensive options. Sentence17: Have a good time! Good bye. Sentence18: Hm, there are quite a number of places to visit in the town centre. Could you give me an idea of what you're looking for? A museum or church? Or something different? Sentence19: Okay, that's all I need. Good bye. Sentence20: I would also like to find some where fun to go in the centre of town. Question: Who has spoken the sentence 6? (A) User (B) System
A:
Answer: (A) User