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: Your reservation was successful and your reference number is UO8AN5FO . Is there anything else that I can help you with today? Sentence2: I am looking for the Alpha-Milton Guest house and would like to book it for 5 people for 2 nights starting Friday. Can you send me the reference please? Sentence3: That's all, thank you so much! Sentence4: Thank you for calling, enjoy! Goodbye. Sentence5: Sure, what is the name of the hotel? Sentence6: Hello. Can you help me in locating a certain hotel? Question: Who has spoken the sentence 2? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: How many tickets will you be needing today? Sentence2: That is all, thanks. Sentence3: I booked 4 tickets on train TR4187, your reference number is LXZWA3Q8 . A total of 66.4 GBP is payable at the station, can I help you with anything else? Sentence4: All right, the TR4187 leaves at 13:59 and arrives at 15:27. Would you like me to book that for you? Sentence5: I have some moderate priced hotels in the north and center. Do you have a location preference? Sentence6: Booking was successful. Reference number is : P39PYOK0 . Can I help you with anything else? Sentence7: Where will you be traveling from, and what day would you like to travel? Sentence8: Yes, please book it for me. Sentence9: I would like a moderate price hotel in Cambridge. Sentence10: I also need info on a train. It should arrive in london liverpool street by 16:30. Sentence11: I need 4 tickets, and the price and train ID Sentence12: I will be departing Cambridge on Friday. Sentence13: Either one is fine. I need to book it for 5 nights on Wednesday. There are 4 people. Sentence14: There are two 2 star hotels in the north part of town. Ashley Hotel and Lovell Lodge. Both include free internet and parking. Do you have a preference? Sentence15: I will work on that and be back with you in a moment. Sentence16: Sure. What is your price range and what side of town will you be interested in? Sentence17: Hi, I am planning a trip and could use some advice on a place to stay. Sentence18: I'm not concerned about the area but it doesn't need to include internet. Sentence19: You're welcome, let me know if I can assist with anything else. Sentence20: Let me know when your break is over. I'll need a reference number please. Question: Who has spoken the sentence 9? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Ok great! That's all I needed. Thank you Sentence2: I would like the hotel if it has a 4 star rating. Sentence3: It's located in the east. Their phone number is 01223323737. Is there anything else I can help you with? Sentence4: Hi I need a hotel that is in the east. I don't need free parking. Sentence5: There are is one hotel and six guesthouses in the east. Would you like more information any particular establishment? Sentence6: You are very welcome. I'm glad I could assist. Sentence7: What day and time would you need that reservation to be? Where will you be traveling to with the taxi? Sentence8: Can I please have the phone number and area for Pizza Hut Fen Ditton? Also, the guesthouse we booked is 4 stars correct? Sentence9: I would love to try some french food while I am there. Could you help me find a restaurant? Sentence10: I'm sorry, but there is no 4 Star hotel in the East. May check different area or guesthouse? Sentence11: Unfortunately no. Would you like to try a shorter duration, or maybe a different checkin day? Sentence12: Just to commute between the two places. Sentence13: Yes, I would like a reservation for 5 people and book me a taxi that leave the restaurant by 16:15. Sentence14: There are no french restaurants in that area would you like to try something else? Sentence15: I guess so. I guess maybe a good italian place would work. Sentence16: Okay, your taxi is booked and the car will be a black bmw and their contact number is 07478029188. Is there anything else you need? Sentence17: Yes, can you tell me if that guesthouse we booked has 4 stars? Sentence18: What types of guest houses are there in the east? Sentence19: A and B Guest house is in the the moderate price range. It is on 124 Tenison road. Would you like me to book it? Sentence20: Do they have rooms for 5 people. for 2 nights, starting Saturday? Sentence21: Yes it is rated 4 stars. Sentence22: Okay, what about 1 night? Sentence23: I have six, what price range are you looking for? Sentence24: I am not particluar. Sentence25: Yes, that did the trick. You're booked with reference number 0NDTR3EG . Is there anything else I can help you with? Sentence26: How about Pizza Hut Fen Ditton? Would you like to make a reservation? Question: Who has spoken the sentence 24? (A) User (B) System


Output: Answer: (A) User