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

Ex Input:
Sentence1: Thanks, can I also have the phone number and postcode? Sentence2: I'm sorry this happened to you, I really hope that the police are able to help. If there is anything else I can do for you don't hesitate to ask. Sentence3: Yes, the postcode is CB11JG and the phone number is 01223358966 Sentence4: I've been robbed and need the police. Sentence5: Great, thank you for your help. I don't need anything further. Sentence6: Okay, the police station is located at Parkside, Cambridge. Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: What day would you like to travel? Sentence2: Yes, go ahead and book either of those for 2 people and 3 nights beginning on Tuesday. Sentence3: Can you also recommend a three star hotel that has free wifi? Sentence4: Your booking at The Gonville coming in on Tuesday for 4 days 3 nights is confirmed for a party of 2. Your reference number is : 5GCUETMP . Anything else today? Sentence5: I need a train leaving from broxbourne. Sentence6: There are two. The Gonville Hotel and The Lensfield. Both also have free parking. Would you like me to book one for you? Sentence7: Booking was successful, the total fee is 17.89 GBP payable at the station .Reference number is : X1XG5K91 . Sentence8: I am happy to help! Goodbye, I hope your trip is lovely! Sentence9: Can you book it for me? Sentence10: No. That's it. Thank you for your help. Sentence11: I would recommend TR6788 which leaves Broxbourne at 19:32 and arrives in Cambridge at 20:32. Sentence12: I would like to travel on a Tuesday from Broxbourne to Cambridge after 19:15. Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: No, that should be all I need. Thank you! Goodbye. Sentence2: Absolutely. Their postcode is cb21en. Would you like to make a reservation? Sentence3: Morning! I need a train departing from kings lynn. Sentence4: The hotel does have free parking! It's called the lensfield hotel and has 3 stars. Sentence5: Yes, the ticket costs 9.80 pounds and the ride is 47 minutes long. Can I be of any other help to you today? Sentence6: Note yet. Can you tell me more about the hotel? Sentence7: I hope you enjoy your stay. Have a good day. Sentence8: There are trains from Kings Lynn every hour from 5:11. Did you have a particular day and time of day in mind? Sentence9: The Lensfield Hotel is in the south. It's a 3 star, expensive hotel, with free wifi and parking. Would you like me to make a reservation? Sentence10: Sounds good. Could you tell me how much it costs for a ticket, and how long of a trip that will be? Sentence11: How about the TR8331 Train? It departs at 11:11 and arrives in Cambridge at 11:58. Sentence12: There is 1 expensive hotel and 3 guesthouses ranging from cheap to moderate. Which do you prefer? Sentence13: The lensfield hotel is in the expensive price range. Would you like to make a reservation? Sentence14: Yes, my train should leave on tuesday and should leave after 11:00. Sentence15: Yes. I am also looking for a place to stay in the south with free wifi. What options are there for that? Sentence16: Could you tell me the postcode of this hotel? Sentence17: Not quite yet, but can you tell me the price range of the Lensfield, please? Sentence18: Does the hotel have free parking? Question: Who has spoken the sentence 11? (A) User (B) System

Ex Output:

Answer: (B) System