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

Example Input: Sentence1: that is great! thank you for all your help. Sentence2: I need help finding an expensive restaurant in the centre, can you help me please? Sentence3: Thank you for calling and have a great day. Sentence4: I have found the backstreet bistro and the slug and lettuce, which one would you like more information on? Sentence5: Yes both are in the expensive price range Sentence6: I'd love to help. We have 33 expensive restaurants. Do you have a cuisine you'd prefer? Sentence7: Do anything of them serve gastropub food? Sentence8: I want to book a table for 4 people at 16:15 on a Tuesday please. Sentence9: Can I have the munber in your party and the day and time you would like to book? Sentence10: Great! Here is the address, 34 - 35 Green Street. Sentence11: Okay I was able to book you then at The Slug and Lettuce and your reference number is FSOF58OO . Sentence12: Yes, I'm looking for gastropub food. Sentence13: Thank you so much. That is all I need. Sentence14: Any one will be fine. I need the reference number please after its booked. Question: Who has spoken the sentence 2? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: A hotel that has free parking and in the north part of town. I would like one in the moderate price range. Sentence2: Yes, I'd like the phone number and postcode. Sentence3: The phone number is 01223902091 and the postcode is cb43ax. Sentence4: Where do I get info on hotels? Sentence5: The Riverboat Georgina would work. It's in the north. Do you need more information? Sentence6: Yes please book the The Ashley Hotel for 7 people and 2 nights starting from wednesday. Sentence7: Yeah, happy to assist. Let us know if there is anything else you need. Sentence8: Have a great day! Sentence9: I really have to run. I'm late for work. Goodbye. Sentence10: Okay thank you that is all I need. Sentence11: You can get information here, through our help desk. Sentence12: I was successful in making your reservation. Your reference number is 2W4KNZYJ . Is there anything else I can help you with? Sentence13: I would also like to find a boat attraction in the same area. Sentence14: The Ashley Hotel and the Lovell Lodge meet that criteria, would you like me to book one of them for you? Question: Who has spoken the sentence 8? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: I would like to travel on monday, and arrive by 12:45 Sentence2: Thanks, i'm also looking for a restaurant in the centre that serves french food. Sentence3: sure, what day are you traveling? Sentence4: Booking was successful, the total fee is 188.8 GBP payable at the station . Reference number is : 096H57VB . Sentence5: welcome and thanks for inquiring with us Sentence6: No thank you but I do need the phone number, price range and postcode. Sentence7: There is a train that arrives at 12:08. Would you like to travel on that train? Sentence8: TR5720 leaves london kings cross for cambridge at 11:17 cost is 23.60 pounds. Can I book a seat for you? Sentence9: Thanks so much. That's all I need today. Good-bye. Sentence10: Could I get the time you would like to leave or arrive? Sentence11: Yes for 8 people please. I will also need a reference number. Sentence12: Yes, that would be fine. Sentence13: It is in the expensive price range, phone number is 01223311053, and postcode is cb21uf Sentence14: I'll be traveling on monday Sentence15: Find me a train from london kings cross to cambridge please Sentence16: Cote is a french restaurant in the centre. Would you like to make reservations? Question: Who has spoken the sentence 2? (A) User (B) System
Example Output:
Answer: (A) User