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

Ex Input:
Sentence1: Yes, one ticket is fine. Sentence2: Hi I need to get to Cambridge by 5:30 PM. Is there a train for that? Sentence3: Nope, that's it! Thanks! Sentence4: Thank you for using our service. Have all of your needs been met? Sentence5: You're welcome. Good-bye. Sentence6: And you would like to book just one ticket, is that correct? Sentence7: I will be departing from Norwich on Wednesday. Sentence8: There are multiple options that will get you to Cambridge by 5:30pm. Could you please tell me where you will be departing form and what day you are traveling? Sentence9: TR0033 departs Norwich at 15:16 and will arrive in Cambridge at 16:35 (4:35p.m.). Would you like a ticket on that train? Sentence10: The trip is 79 minutes. Sentence11: That's all thank you Sentence12: Great. I have you on that train and your reference number is Y1XTHTJA . Is there anything else I may help you with today? Sentence13: Thank you for the information! Sentence14: That would be fine. How long is the trip? Question: Who has spoken the sentence 10? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Hi. Can you please help me find a restaurant that serves food from singapore ? I'd like it to be on the East side of town if possible. Sentence2: Thank you for using the Cambridge restaurant system. Goodbye. Sentence3: Yu Garden is located on the east part of town. Would you like the telephone and address? Sentence4: What is the address, phone number, and postcode? Sentence5: Can you help me find some Chinese food then? Sentence6: There are no restaurants serving Singaporean food on the east part of town. Sentence7: Thank you, goodbye. Sentence8: Yu Garden is located at 529 Newmarket Road Fen Ditton, C.B 5, 8 P.A, and the number is 01223 248882. Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: You are welcome. Goodbye. Sentence2: Your reference number is BIBMWTH4 . Is there anything else you need today? Sentence3: Nusha is an entertainment venue on the south side of town. Would you like their address and/or contact information? Sentence4: I'm leaving on Tuesday anytime after 14:45 and I'm coming from Ely. Sentence5: Yes, that is all I need right now. Thank you! Sentence6: What is the travel time, and what time will it arrive at? Sentence7: no that's all thank you Sentence8: Sure! Where are you coming from, what day are you coming, and what time do you want to get here? Sentence9: Hi there, I've heard of something fun to do in the city called Nusha but I'm not sure where it is. Can you help me figure out how to get there? Sentence10: Oh, wait, can you help me find a train to Cambridge? Sentence11: Yes and I need the reference number Sentence12: Ok. Have a good day! Sentence13: No, I am familiar with the south side. Thanks for your help. That is all I really need to know. Bye. Sentence14: TR9420 will leave at 15:35 if that works for you. Sentence15: I hope you enjoy your trip. Are you sure you have everything you need? Sentence16: Arrival at 15:32 and your travel time is only 17 minutes. Would you like me to get the tickets for you? Question: Who has spoken the sentence 10? (A) User (B) System

Ex Output:

Answer: (A) User