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: I'd like to find an expensive restaurant in the north part of town. Sentence2: The restaurant should serve asian oriental food. Sentence3: You are welcome. Sentence4: Yes, I would like to be booked for a table for 8 on 19:45 on a Saturday, and could I also get the reference number? Sentence5: Your reservation has been made and the reference number is 3P2ALRY0 . Sentence6: I have one restaurant called saigon city on 169 high street chesterton chesterton. Would you like me to book for you? Sentence7: There are many restaurants in the North that match your description, what type of cuisine are you interested in? Sentence8: Thank you for your help. Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: I am looking for information in Cambridge. Sentence2: I also need to book a train for sunday Sentence3: I need to get from Ely to Cambridge, and I need to leave after 19:30. Sentence4: Great! What type of attraction are you looking for? Sentence5: Yes please book a seat on the train from Ely to Cambridge leaving after 19:30. Thank you. Sentence6: That museum is located in the centre of town. Their address is University of Cambridge, Downing Street. They also offer free entrance. Sentence7: I should have mentioned this before, sorry for wasting everyone's time. I need info on a place called museum of archaelogy and anthropology, what area is it in? Sentence8: what time should it depart ? Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:

Answer: (A) User