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

Input: Consider Input: Sentence1: How about the Ashley Hotel? It is on the north side of town, has 2 stars, free wifi and parking, and is moderately priced. Sentence2: Is that a 2 star hotel? Sentence3: Are there any available for less than $200 a night? Sentence4: Unfortunately, the rooms are unavailable for that day and time. Can I try a shorter stay for you or possibly a different day? Sentence5: Of course! The reference number is QZYSOMAW and the address is 74 chesterton road. May I help with anything else? Sentence6: No, it has 4 stars Sentence7: Can you make a reservation for 6 people for 3 nights starting on Wednesday. Sentence8: Yes, I was able to successfully book you for two nights. Is there anything else you need? Sentence9: The only 2 star hotels are in the north or the east. Do you mind staying in one of those areas? Sentence10: Nope, that's all I need. Thanks for your help! Sentence11: Can I have the reference number and address please? Sentence12: How about for 2 nights? Sentence13: We're glad to be of service, and please do not hesitate to contact us if you need more help while you're in Cambridge! Sentence14: Yes that would be fine with me Sentence15: There are several. Alexander Bed and Breakfast is cheap and is in the Centre. Would you like me to book that? Sentence16: Let's try a hotel type with free parking in the centre of town with a star of 2. Sentence17: Are there any rooms available in hotels with free parking? Sentence18: how about for 2 nights? Sentence19: Yes. Do you have a preference for the hotel's area or price range? Sentence20: I'm sorry. I have no 2 star hotels in the center of town. However, I have some in other parts of town. Would you care to modify your search criteria? Question: Who has spoken the sentence 10? (A) User (B) System

Output: Answer: (A) User


Input: Consider 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

Output: Answer: (B) System


Input: Consider Input: Sentence1: I would like a cheap restaurant in the centre of town. Any suggestions? Sentence2: Got you booked- black skoda phone 07407455573. Anything else I can help you with? Sentence3: Sure, I can do that. Can you give me the time frame for the taxi? Sentence4: Thank you. I'm looking for a cheap guesthouse to stay at as well, are there any 4 star accommodations like that? Sentence5: This works. Can you book a table for 8 people at 11:45 on Friday? Sentence6: I'd like to get from the hotel to the restaurant by 10:45. Sentence7: There are quite a few different options you can choose from. Is there any particular type of food you are in the mood for? Sentence8: Unfortunately they do not have any rooms available on Friday. Would you like to try another guest house? Sentence9: Yes, I will need a taxi to take me from the restaurant to the hotel. Could you book one for me? Sentence10: I have reserved you a table for 8 at 10:45 on friday your reference number is 6R8D8J8P Sentence11: Luck is with us tonight! I was able to book the Alexander on Friday for 3 nights and 8 people. The reference number is ZDT7PP0G . Would you like anything else? Sentence12: I need the hotel for 3 nights and for 8 people. Sentence13: Is there another 4 star guest house we can try? Sentence14: No, just somewhere I can get in on Friday, 11:45. Sentence15: You didn't mention how many people and for how many nights you will need a room for, can I have the information? Sentence16: Golden House on 12 Lensfield Road, City Centre has Chinese cuisine and their price range is considered cheap. Would this be a suitable choice or would you like other options? Sentence17: Alexander b &b would suit you. Would you like me to book it? Sentence18: No that is all I needed today, thank you. Sentence19: Unfortunately they are currently booked for that time. Would you like to try a different time? Sentence20: What about an hour earlier? Sentence21: Yes, please book me the room for Friday. Sentence22: Great! Let us know if you need anything else. Question: Who has spoken the sentence 7? (A) User (B) System


Output: Answer: (B) System