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

Ex 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

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: You're very welcome! Goodbye. Sentence2: When and where did this accident occur? Sentence3: Absolutely! The police station phone number is 01223358966 and their address is Parkside, Cambridge. What else can I do to help? Sentence4: I just need an address and phone number for the police please Sentence5: I was in a car accident dispute and I am looking for help Sentence6: I think that is it, thank you. Question: Who has spoken the sentence 1? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Either one. Could you make a booking for 5 people starting Wednesday for 4 nights Sentence2: Okay great. That is all I need need thank you. Sentence3: Great. Can you give me a reference number please? Sentence4: It should be in the north, not south. Sentence5: Could you help me find a 3 star guesthouse? Sentence6: I am sorry about that,I have 2 in the north alpha-milton guest house,and hamilton lodge. Would you like a booking at either of them? Sentence7: Sorry, the system must have glitched. I wasn't able to get you that booking, but I got you a room at Hamilton Lodge. Your Reference number is: 24FROWCO . Sentence8: The Bridge Guest House is 3 stars and located in the south. Would you like me to book it? Sentence9: Have a great day! Sentence10: Ok I have made you a booking at the Alpha-milton guest house for 4 nights starting Wednesday for 5 people. Question: Who has spoken the sentence 4? (A) User (B) System

Ex Output:

Answer: (A) User