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

Ex Input:
Sentence1: Thank you. May I have a street address for the police station? Sentence2: welcome. at your service next time Sentence3: Thank you goodbye Sentence4: Certainly. Their address is Parkside, Cambridge. Can I assist you further? Sentence5: I want to know where I would find the Parkside Police Station. Could you tell me? Sentence6: Their postcode is CB11JG, you can reach them at phone number 01223358966. Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: I am also looking for a place to stay at a 4 star hotel near the restaurant. Sentence2: I was able to book a room for 5 people, 5 nights. Your reference # is 5DD52JOS . Can I help you with anything else today? Sentence3: I prefer something cheap. Sentence4: Yes, for 5 nights on the same day. I also need the reference number. Thanks! Sentence5: Lets go with charlie chan, I would like to to book a table for 5 people at 11:00 on wednesday. Sentence6: Okay, have a great day! Sentence7: Need a place to dine, chinese near centre. Sentence8: The Alexander Bed and Breakfast is cheap, would you like to book it? Sentence9: There are three options, charlie chan, rice house and golden house. Can I book you for one of those? Sentence10: Are either option cheap? Sentence11: There are two located in the same area. alexander bed and breakfast and university arms hotel? Sentence12: I think that is all I need today. Thank you for all your help. Sentence13: I have 10 places. Would you like a certain price range? Sentence14: Your booking was successful, the reference number is B1FIKA09 . Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: gonville and caius college's postocode is cb21ta and their phone number isv01223332400 Sentence2: I actually want a hotel with 0 stars, I don't like stars. Sentence3: thank you that will be all Sentence4: I am not finding anything like that, something else perhaps? Sentence5: There are 3 entries that meet your criteria. I would recommend the A and B guesthouse or Avalon as they both get 4 stars. Sentence6: You're all set. Your Reference number is : F2PPHLSX . Sentence7: Can I also get a place to stay, needs to include wifi but I dont care about parking. Sentence8: You're very welcome. Enjoy your stay! Sentence9: Could you suggest one and provide the postcode and phone number? Sentence10: Yes, there are 13 colleges in the centre of town. Sentence11: Yes, I would like to book it for 2 nights starting from Monday for 6 people. Please let me know the reference number. Sentence12: How interesting that there's NO entertainment in the centre of Cambridge, sound like a fun town... perhaps there is a college I could visit? Sentence13: Okay I have one option for you called Cityroomz. Would you like me to book that for you? Sentence14: i am looking for places to go in town. The attraction should be in the centre and should be in the type of entertainment. Question: Who has spoken the sentence 10? (A) User (B) System

Ex Output:

Answer: (A) User