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: That is all I need for today. thank you. Goodbye. Sentence2: I have 7 available. The first leaves at 17:32, and arrives at 18:32. Would you like me to book that for you? Sentence3: I'll be departing from Broxbourne and I'd like to go to Cambridge. Sentence4: I'm not looking to book at the moment, can I just get the train ID? Thanks! Sentence5: Okay glad I could help. Enjoy your trip. Sentence6: I'd like to find a train that leaves after 17:00 on Saturday. Sentence7: Of course! TR0811 leaves at 17:32, arrives at 18:32, with a duration of 60 minutes. The price is 14.32 pounds. May I assist you with anything else? Sentence8: Absolutely, I need departure and destination information and a time you need to arrive by. Question: Who has spoken the sentence 7? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: My destination is cambridge. Sentence2: What day will you be traveling? Sentence3: Hey. I'm looking for a train from stansted airport. Sentence4: What is your destination ? Sentence5: I plan to go on tuesday. Sentence6: How many tickets would you like? Sentence7: There are trains departing every hour. TR5077 would get in in at 8:52, does that work for you? Sentence8: That sounds perfect. Can I get the reference number from the booking? Sentence9: I would like 4 tickets. Sentence10: Booking was successful, the total fee is 40.4 GBP payable at the station. Reference number is : WWW231NO . Is there anything else you need? Sentence11: There are several. Do you have a time you need to travel specifically? Sentence12: The train should arrive by 10:00 if at all possible. Question: Who has spoken the sentence 5? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Yes thanks, that will be all. Sentence2: There are 7 guesthouses available in the north that are moderately prices and four stars. Would you like to book one of these rooms? Sentence3: We have 11 places to stay in the north. Do you prefer a guesthouse or hotel? And do you need internet or parking? Sentence4: Can I have their phone number, please? Sentence5: I'd prefer a guesthouse. A 4 star one, if possible. Sentence6: Sure, it is 01223300552 Sentence7: Do any have both free parking and internet? If so, I'll need their phone number. Sentence8: I need a train going to Cambridge that'll leave after 12:15. Sentence9: what day of the week do you want to travel Sentence10: The limehouse meets your needs including internet and wifi, shall I book you or provide more info? Sentence11: The TR3257 leaves at 13:39 for 16.60 pounds. Would you like me to book that for you? Sentence12: The train is number TR3257. It arrives in cambridge at 15:07. How many tickets would you like? Sentence13: Yes. Also, what will be the arrival time? And, what is the train ID? Thanks so much! Sentence14: It was a pleasure to help today. Have a good afternoon. Bye. Sentence15: No, that is all I need. Thank you! Sentence16: i am, Also looking for a place to stay. The hotel should be in the north and should be in the moderate price range Sentence17: Thank you for using our services. Have we met all of your needs today? Sentence18: Trusday, I need to leave by the london liverpool street station. Question: Who has spoken the sentence 3? (A) User (B) System


Output: Answer: (B) System