You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Example Input: Sentence1: Can you check a swimming pool in the west of the city? Sentence2: Yes, there are no swimming pools located to the west of your city. Thank you, if you need help with anything else, contact us again. Sentence3: No thank you, that's all I needed. Sentence4: I have 3 hotels and 2 guesthouses in town centre. Would you like a cheap price range or expensive? Will you also need parking? Sentence5: Okay! Goodbye! Sentence6: I would prefer a guesthouse, and it does not need to include internet. Sentence7: If you change your mind and need a booking, we'll be here. Thanks for using our service! Sentence8: I'd prefer one in the same part of town as my hotel, are you sure there isn't one? Sentence9: We currently do not have any shown attraction in that area you are looking for. Are there any other further things I could assist with? Sentence10: Goodbye. And feel free to contact us if there's any other information you need, as well. Sentence11: The alexander bed and breakfast is a guesthouse in town centre in the cheap price range with a 4 star rating. Would you like to book a room? Sentence12: I am looking for a place to stay in the centre in Cambridge. Sentence13: I'm not showing a swimming pool in the East, but there are 2 in the North, will that work? Sentence14: I am also looking for an attraction, a swimming pool Question: Who has spoken the sentence 13? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: No thank you. You have helped tremendously. Sentence2: What is the address and postcode, please? Sentence3: Can you help me? I was in a car accident dispute. Sentence4: The Parkside Police Station's phone number is 01223358966 Sentence5: you are welcome Sentence6: The address is Parkside and the postcode is CB11JG. Can I help you with anything else? Question: Who has spoken the sentence 2? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: I'm hoping to find a french restaurant in Cambridge. Sentence2: Well how about 15:30 then? Sentence3: How about a cinema or museum? There's also The Place, which is a nightclub. Or, The Junction, which is a theatre. How about one of those? Sentence4: Surprise me and pick one for me! Just make sure to let me know what kind of attraction it is. Sentence5: How about the North? Can I get a table there Thursday at 16:30 for 7? Sentence6: Thank you for contacting Cambridge TownInfo centre. Goodbye! Sentence7: Great, is there anything else you needed help with today? Sentence8: We have nearly 80 different attractions in town. First off, is there a type of attraction you would prefer? Or an area of town to search in? Sentence9: No, that's all I need. Thank you for your help! Sentence10: How about a theater? Cineworld Cinema is showing all our the newest London films! Sentence11: There are two. Both are expensive. One is in the north and one is in the centre. Do you have a preference? Sentence12: Please recommend something in the South. Sentence13: Yes, would I be able to get a table there Thursday at 18:00 for 7? Sentence14: I am also looking for an attraction to go to. Is there any in town? Sentence15: I'm not much of a movie man, but I'm sure the others wouldn't mind. That sounds fine. Sentence16: I'm sorry, Restaurant Two Two doesn't have availability then. Would you like to try a different day or time? Sentence17: I'm sorry 18:00 on Thursday is also unavailable. Would you like to try a different day? Sentence18: The booking was successful. The table will be reserved for 15 minutes. Reference number is : OAEJMYOI . Question: Who has spoken the sentence 6? (A) User (B) System
Example Output:
Answer: (A) User