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

Ex Input:
Sentence1: I am sorry, but the Leverton House was not available for your party on Tuesday. Would you like me to look for another hotel? Sentence2: In what area would you like? Leverton is in the East, should the hotel be in the same area? Sentence3: Is there another hotel available in the same price range? Sentence4: Hi, I'm looking for a hotel called Leverton House. Sentence5: No, you said Leverton wasn't available. Please just book a different hotel in the same price range as Leverton. Thanks. Sentence6: I have booked you a room at the Alexander Bed and Breakfast at 56 Saint Barnabas Road. Your reference number is JGTE0KGB . Is there anything else today? Sentence7: No, I don't care about the area, just the price. Recommend me one? Sentence8: You're welcome. Good-bye. Sentence9: The Leverton House is a guesthouse in the east of the city. Their phone number is 01223292094. Sentence10: Yes Leverton is in the cheap price range. Would you like me to book it for you? Sentence11: Thank you. Please book a reservation for 6 people for 2 nights starting tuesday. Sentence12: That will be all, thank you. Question: Who has spoken the sentence 1? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Well, there are 12 guesthouses and 2 hotels in town that fit your criteria, they all offer free WiFi. Do you have a price range in mind or a star rating? Sentence2: Most definitely. Would you like to go ahead and book a reservation? Sentence3: Do you have a preference of type of lodging, star rating, or internet? Sentence4: I'd recommend a nightclub if you don't mind paying or a museum if you're looking to do something free. Sentence5: We have 44 places to visit in the centre, any specific preferences in mind? Sentence6: I'm sorry, the Acorn Guest House is a guesthouse. Is that acceptable or did you want a hotel specifically? I apologize for the confusion. Sentence7: It's located at 154 chesterton road, the postcode is cb41da, and you can reach them by phone at 01223353888. Sentence8: I'm looking for places to go in the centre area of town. Sentence9: Yes, I would. Can I get the address, area, and phone number? Sentence10: I don't care about any particular area to be honest. Sentence11: How about the acorn guest house? Sentence12: My favorite is the Cambridge Contemporary Art Museum and their phone number is 01223324222 and the post code is cb21su. Admission is free. When would you like a hotel? Sentence13: I would just like to know what is available. Oh I also need free wifi. Sentence14: As long as it has everything I've been asking for, I'm good. Sentence15: Thank you. That was all I needed. Goodbye. Sentence16: I'll repeat this: The hotel should be in the moderate price range and it should include free wifi and free parking. I don't care about the area. Sentence17: A museum sounds good. Do you have the poscode and phone number? I also need a place to stay that is moderately priced with free parking. Sentence18: I found 14 for you. Do you have a specific area you'd like? Sentence19: What would you recommend? Sentence20: I would like a hotel in the moderate price range and it should include free parking. Question: Who has spoken the sentence 16? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Could you please give me the hotel phone number? I also need to know what type of hotel it is and the area it is in. Sentence2: I would prefer one with free wifi included. Do either of the hotels offer free wifi? Sentence3: OK, great, I'm glad I was able to help you out! Sentence4: Of course, the Gonville Hotel is a hotel in the centre area and the phone number is 01223366611, would you like any more information or to book a room? Sentence5: what kind of hotel is it? Can I have their number? Sentence6: Does the hotel have a restaurant attached to it? Sentence7: I do not have that information available. Would you like me to call them and ask? Sentence8: is there any restaurant close to the Gonville Hotel? Sentence9: That's all I need for now. Sentence10: The Gonville hotel is an expensive 3 star hotel and offers internet. Sentence11: Is there anything else I can do for you? Sentence12: I also need a very expensive hotel with 3 stars can you help me find one? Sentence13: Yes, I can help with that, La Margherita is in the west of Cambridge, located at 15 Magdalene Street City Centre, would you like me to make a reservation for you? Sentence14: The Gonville is in the Centre and La Margherita is in the west. Are you wanting to dine somewhere else? Sentence15: There is 1 in the center and 1 in the south. Which do you prefer? Sentence16: The Gonville is a standard hotel. Their contact number is 01223366611. Sentence17: Could you help me find a restaurant in the Cambridge area called La Margherita? Sentence18: Your table has been booked for 18:30 and your reference number is: 5KN7WD73 . Is there anything else I can help you with? Sentence19: Yes, can you make a reservation on thursday at 19:30 for 4 people? Sentence20: I'm sorry that time and and day is not available at La Margherita, would you like to try an alternative day or time? Sentence21: How about 18:30 then? Sentence22: No thank you. Question: Who has spoken the sentence 10? (A) User (B) System

Ex Output:

Answer: (A) User