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: Where are you headed? Sentence2: anytime after 21:00. Sentence3: What time monday would you like to depart? Sentence4: okay, I do need the reference number also. Sentence5: Birgmingham New Street from Cambridge Sentence6: Yes will you book it for me ? Sentence7: I highly recommend Zizzi Cambridge in centere. It has excellent pasta and meatballs. Would you like me to book a reservation for you? Sentence8: Booking was successful. The table will be reserved for 15 minutes. Reference number is : DKSUCWY6 . Sentence9: Yes, on Monday for 2 people at 14:30. Olease give the reference number. Sentence10: thank you that will be all good bye Sentence11: I need 2 tickets and a reference number please Sentence12: My apologies, busy weekend and the system is lagging, you are set, reference number is B6SGLAAT total cost is 150.19 GBP, thank you for your patience. Sentence13: Have a nice day, goodbye. Sentence14: How many tickets will you need? Sentence15: Thank you so much, can you please also find me an Italian restaurant in the centre of town that's on the cheap side? Sentence16: TR8406 will depart at 21:40. Is that okay? Sentence17: I need a train on Monday leaving birmingham new street? Sentence18: Sure thing. I will work on getting this booked for you. Question: Who has spoken the sentence 10? (A) User (B) System

Output: Answer: (A) User

Input: Consider Input: Sentence1: ok thank you so much Sentence2: Yes, can you provide me the travel time and the price as well? Sentence3: I would be happy to book that for you. Are you travelling alone? Sentence4: That is all I need today thank you for your help. Sentence5: TR0721 departs at 11:50. Would you like me to book it for you? Sentence6: Absolutely! I have 70 trains going from cambridge to ely. Do you have a departure and/or arrival time? Sentence7: The address is the grafton centre, east road. Unfortunately, there isn't an entrance fee listed. Would you like information on an alternate attraction? Sentence8: I am looking for places to go in town located in the centre of town. Sentence9: There is the Vue Cinema downtown. If that interests you, their phone number is 08712240240. Sentence10: No that's okay. However, I am also looking for a train from Cambridge to Ely, could you help me find one? Sentence11: You're welcome, have a great day. Sentence12: Price is 3.52 pounds. Duration is 17 minutes. Sentence13: Yes, i would like to leave Saturday after 11:30 Sentence14: What is the entrance fee and the address? Question: Who has spoken the sentence 8? (A) User (B) System

Output: Answer: (A) User

Input: Consider Input: Sentence1: I have 23 great museums. Is there a certain area you would like to be in? Sentence2: It does not really matter can you suggest one? Sentence3: Tuesday. I want a place to stay that is expensive, 3 star, and has free parking and wifi. Sentence4: The address for the Cambridge and county folk museum is 01223355159. The postcode is cb30aq. Sentence5: Have a good night. Sentence6: Thanks, I just searched online for it, looks great, please book me for 8 people, 3 nights starting Tuesday. Sentence7: Booking was successful.Reference number is : PE5Q6EI9 . Sentence8: Okay, I'll check it out. Please get me the postcode and address Sentence9: No thank you what about a museum? Sentence10: There are lots of fun places in town. What would you like to do today? Sentence11: i'm also looking for somewhere to stay Sentence12: No area does not matter can you recommend one please? Sentence13: One of my personal favorites would be the Cambridge and County Folk Museum. It is definitely worth the entrance fee of 3.50 pounds. Sentence14: how about the funky fun house? Sentence15: That's all I needed. Thanks. Bye. Sentence16: OKay, we have the gonville hotel in the centre and the lensfield hotel in the south. Sentence17: I am looking for some entertainment. Sentence18: Sure, I need to get some information from you. Would you like a guesthouse or a hotel? What day will you be coming? Question: Who has spoken the sentence 9? (A) User (B) System
Output: Answer: (B) System