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

Example 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
Example Output: Answer: (A) User

Example Input: Sentence1: No but I do need a train that will depart from peterborough and should go to cambridge. Sentence2: When would you like to depart or arrive? Sentence3: The ticket price is 16.50 pounds. Would you like me to book that for you? Sentence4: No than kyou. Sentence5: And how much is a ticket? Sentence6: The duration of the train ride is 50 minutes. Sentence7: TR8509 will leave Peterborough at 15:19 and arrive in Cambridge at 16:09. Would you like to book tickets on this train? Sentence8: Ok! Have a great day! Sentence9: Yes, there is. It's located in the centre area and has free admission. Would you like more information about it? Sentence10: Are you sure that there is absolutely nothing else that you need? Sentence11: No, I think I'll hold off on that. That's it for today. Thanks for your help. Have a great day. Sentence12: maybe, what's the duration of the train ride? Sentence13: I need the attraction type and address. Sentence14: I'd like to depart after 15:00 on thursday no preference on arrival. Sentence15: The Scott Polar Museum is a museum located on Lensfield Road. Would you also like their phone number? Sentence16: A friend told me about an attraction called the scott polar museum. Question: Who has spoken the sentence 8? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: Thank you. I am also looking for a place to stay. I am specifically look for a four star hotel. Sentence2: Yes to the hotel from the restaurant. I need to leave by 7:30 and will need the car type and a contact number please. Sentence3: We have finches bed and breakfast, also in the west with complimentary internet, as well as four stars. Would you like me to book this for you? Sentence4: Yes I found five restaurants in the west four in the expensive range and one in the moderate price range. Sentence5: There are several Indian restaurants in the west, would you prefer a more expensive price range or moderate? Sentence6: The tandoori palace is a restaurant in the expensive price range located at 68 histon road chesterton. The phone number is 01223506055. Is there anything else I can assist you with? Sentence7: Can you give me the address, price range, and phone number of the best one? Sentence8: Not necessarily I just needed to be a guest house with free Wi-Fi Sentence9: I need a taxi to travel between the two places. I need to leave tandoori by 07:30. Can you suggest something for me? I need contact number and car type. Sentence10: Either price range is fine, can you tell me more about some of the restaurants you mentioned? Sentence11: I am looking for a restaurant in Cambridge that serves Turkish food and is located in the west. Sentence12: is there a restaurant serving indian food? Sentence13: You are welcome. Have a great day. Sentence14: Thank you so much for your assistance today I think that will be all. Sentence15: I would be happy to help with finding a taxi. Can I ask where you will be traveling too? That way we can find the best taxi company for you! Sentence16: Booking was successful. Reference number is : QKZSOURZ .. Anything else today? Sentence17: I am showing 21 hotels with a four star rating. Would you also like a hotel that is in the west? Sentence18: Please book it for 6 people and 5 nights starting from sunday. Sentence19: I have booked a black Skoda for you at 7:30 at the restaurant. The contact number is 07889958021. Sentence20: I'm sorry, but there are no restaurants that fit those criteria. Would you like me search in another area, or for a different type of food? Question: Who has spoken the sentence 9? (A) User (B) System
Example Output:
Answer: (B) System