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 have Gonville Hotel in centre area or The Lensfield hotel in the south area. What is your preference? Sentence2: I'm also looking for a hotel to stay in. Preferably a 3 star one. Sentence3: I'm planning to leave on Thursday. Sentence4: Which day are you planning to travel? Sentence5: The Gonville would be great, could you get me the phone number, price range, and postcode? Sentence6: They are in the expensive range, located on gonville place, postal code cb11ly, they are reachable at 01223366611, may I assist with anything else? Sentence7: There are several trains leaving Norwich, what day are you leaving and where are you going? I also need the time you want to leave or arrive. Sentence8: Yes the departure time is 15:16. I booked you for 8 on Train ID TR8040. The Reference number is : 1HY8AJ7Y . Sentence9: No thank you for everything. Sentence10: You are welcome. Have a good evening. Sentence11: I want a train leaving from norwich. Sentence12: As long as you mean a 15:16 departure, I'll take 8 tickets, please. Sentence13: I have a 5:16 departure to Cambridge that arrives at 16:36. Would that do? Sentence14: What area of town would you like? Do you have a price range in mind? Sentence15: I would like to leave after 14:30 and go to Cambridge, please. Sentence16: I don't have a preference for either, but I'd like it to be in the type of hotel. I'll also need free parking. Question: Who has spoken the sentence 15? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Booking was unsuccessful. Would you like to try booking on a different day or for a shorter duration? Sentence2: I will need to leave the gallery by 03:00 please. Sentence3: I think I'll need a taxi from the gallery to the hotel. Can you help with that? Sentence4: I also need a place to stay. I would like a hotel with 4 stars and free parking. Sentence5: I'm looking for museums to visit in town. Sentence6: No, that will be all. Thank you for your help! Sentence7: Can you try booking it for two nights? Sentence8: I was able to book that taxi for you. Be looking for a blue Lexus. If you need to reach them, please call 07049424951. Anything else I can help with? Sentence9: Can you book that for 1 person, 3 nights, starting Thursday? Sentence10: I think the acorn house will suit you well. Would you like me to book that? Sentence11: You're welcome, enjoy! Sentence12: No, I am not. Sentence13: I need to leave by 3:00, arrival doesn't matter. Sentence14: Where exactly is that located? And is there a fee to enter the gallery? How is the area? Is there a lot located around it to do? Thank you! Sentence15: Certainly. What time would you like to leave and arrive? Sentence16: There are several 4 star hotels with free parking, are you looking for one in the north as well? Sentence17: You're all set for 2 nights! Your booking reference number is BFODSBSL . What else can I help you with today? Sentence18: the broughton house gallery is a fantastic museum in the centre. Bonus, it's free! Sentence19: What time would you like to leave or arrive by? Sentence20: It is in the Centre and it is free to enter. Would you like to know anything else? Question: Who has spoken the sentence 13? (A) User (B) System

Ex Output:

Answer: (B) System