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

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: You're welcome, glad I could help. Sentence2: I personally like Parkside Pools. It's in the center of town, on Gonville Place. Sentence3: Any area is fine. Which of the 4 swimming pools do you suggest? Sentence4: It is cb11ly. Is there anything else I can help you with? Sentence5: Where will you be departing from? Sentence6: Thanks. That was all I needed. Goodbye. Sentence7: I am departing from Cambridge. Sentence8: I am looking for information on places to go in Cambridge. Can you help with that? Sentence9: My destination is london kings cross Sentence10: Can I get the postcode as well? Sentence11: I can help with that. Is there a particular area you're interested in? Sentence12: Yes, there are 4 swimming pools that match those requirements. Is there a particular area you would like to go to? Sentence13: There are 278 trains that meet that criteria. Would you like to narrow down your options by departure site, destination, or arrival time? Sentence14: I have made that reservation and your reference number is 1702SDBO . Sentence15: TR1502 arrives in london kings cross friday at 11:51. Would you like me to book you any seats? Sentence16: I also need a train leaving after 11:00 on friday Sentence17: What I'd really like is to find a swimmingpool. Sentence18: Yes book for 8 people and I need a reference number Question: Who has spoken the sentence 13? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Yes please, 2 people at 19:00 on sunday. Sentence2: Thanks! I'm also looking for a place to stay in the same area. Can you help me with that? Sentence3: Let's do expensive. Sentence4: Yes I have many options. What price range or area would you prefer? Sentence5: There are five expensive Chinese restaurants. Two of them are in the south. Sentence6: Yes i will find you one and inform you as soon.thanks a lot its a pleasure to serve you Sentence7: This restaurant will be fine. Sentence8: I was hoping to find something located in the center of town. Are there any expensive Chinese restaurants there? Sentence9: Would you like me to book a reservation for you? Sentence10: HK Fusion is an expensive Chinese restaurant located at 21 Burleigh Street, City Centre. Would you like more options? Sentence11: I'm looking for some Chinese food, any good places in town? Sentence12: Booking was successful. The table will be reserved for 15 minutes. Reference number is : MT2UHUCB . Question: Who has spoken the sentence 11? (A) User (B) System

Ex Output:

Answer: (B) System