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 would actually like to book it for 8 people, not 3. Sentence2: Could you reserve the one in the centre of town for 3 nights starting Monday? There will be 3 of us. Sentence3: You're welcome. Glad to help! bye bye! Sentence4: Sure no problem. So the hotel is huntingdon marriott hotel and your reference number for the booking is 34BAQ2WK . Is there anything else I can help? Sentence5: I am looking for a hotel in the expensive price range. Sentence6: Unfortunately, I wasn't able to book you for the day and time you wanted. Would another day or time be alright? Sentence7: No, it doesn't matter. I would like a 4 star hotel with free parking though. Sentence8: That's great. I'm all set , thank you! Sentence9: There are 5 expensive hotels available. Did you have a preference as to area of the hotel? Sentence10: There are two, one in the west and one the centre of town. Sentence11: I couldn't book that one either. Would you like to change your criteria? Sentence12: Okay, could you try the other one, please? Question: Who has spoken the sentence 1? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Great! I have booked you a taxi, which will pick you up from the hotel. It will be a yellow Tesla and the contact number is 07140486418. Anything else today? Sentence2: no thank you that is all Sentence3: Could you also book it for me? 3 people, 14:30 on Sunday. Sentence4: Where would you like the taxi to pick you up? Sentence5: Are you sure that you don't want to get to the restaurant for your booked time? Sentence6: I am looking for a place to dine in the centre of town Sentence7: It doesn't matter. We want to eat indian food. Sentence8: Yes,that is it for today. Thanks again. Sentence9: You're welcome, let me know if I can assist with anything else. Sentence10: We have several options. What price range would suit your needs? Sentence11: Sorry, I do need to find a guesthouse as well. Something moderately priced, perhaps 3 stars? Sentence12: May I also have the telephone number for the alpha-milton, please? Sentence13: it should pick me at the restaurant at the booked time Sentence14: the alpha-milton is located in the north. their address is 63 milton road and the postcode is cb41xa. Sentence15: The alpha-milton guest house will fit your needs. Would you like me to be book a room there? Sentence16: Sure, the number for Alpha-Milton Guest House is 01223311625. Can I help with anything else? Sentence17: I have your table booked for Sunday afternoon. They will hold the table for 15 minutes. Your reference number is 28O595TK . Can I help you with anything else? Sentence18: Yes, the address is 106 Regent Street in the City Centre. Their phone number is 01223302330. Can I help with something else? Sentence19: I do need the taxi to get to Curry Garden by the booked time of 14:30. I'm a little scatter brained today. Thank you for clarifying. Sentence20: The prompt before this call came through said that you needed two things, do you need anything regarding a hotel, transport or attractions? Sentence21: Thank you for using our services. Have we met all of your needs today? Sentence22: i also want a taxi to help commute between the two places Sentence23: Well I have the Curry Garden in the expensive price range. Sentence24: No thank you, I just need the address, phone number and area. Sentence25: Please provide me with the address and telephone number. Sentence26: nope, that's all thanks so much! Question: Who has spoken the sentence 16? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: I have 4 theaters in the centre area. The mumford is one of my favorites. Can I give you more information on one? Sentence2: There are no sports in the center. Shall I change type or location for you? Sentence3: Yes, that would be perfect. Can you just give me the train ID for that? Sentence4: Hmm, that kind of stinks. Well, how about a theatre instead? Sentence5: No thank you, goodbye. Sentence6: Hello, I am looking for a train departing from Cambridge, and leaving on Friday. Do you see anything for that time? Sentence7: There are 6 options available. Would leaving at 13:59 and arriving at 15:27 work for you? Sentence8: Yes I want to leave after 13:30 and arrive at London Liverpool Street. Sentence9: What's the entrance fee? Sentence10: I am unaware of what their entrance fee is at this time. Sometimes that happens because prices fluctuate and I apologize. Can I help with anything else? Sentence11: There are tons of them! Can you tell me a bit more about your trip so we can narrow it down a little? Where would you like to go? Sentence12: Yes are there any multiple sports places to go in the centre? Sentence13: You're welcome, have a nice day. Sentence14: That is train TR4187. Is there anything else I can help with? Question: Who has spoken the sentence 8? (A) User (B) System

Ex Output:

Answer: (A) User