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

Ex Input:
Sentence1: Can you check the availability at the University Arms Hotel for five people? Sentence2: You are welcome. Sentence3: Sure thing! Your reference number is LW8PBD97 . Sentence4: Thursday please. Sentence5: Thank you so much, that is all that I need for now. Have a wonderful day. Sentence6: What day would you like to book? Sentence7: Actually for 5 nights and there will be 5 of us staying Sentence8: For just one day? Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System

Ex Input:
Sentence1: Eraina is in the centre of town located at Free School Lane City Centre. Their number is 01223 368786. Is there anything else I can do for you? Sentence2: Eraina in the centre is an expensive european restaurant. Would you like further information? Sentence3: what is the price range ? Sentence4: European food? Sentence5: Please recommend me an expensive restaurant that serves afghan food. Sentence6: They are in the expensive price range. Sentence7: What is the address, phone number, and area? Sentence8: I don't care where it is. Sentence9: Thank you. Good bye. Sentence10: I'm not finding any restaurants that match your request. Would you like to try a different price range or food type? Sentence11: There are four restaurants that serve European food. What part of town would you like? Sentence12: You are welcome, enjoy your stay. Good bye. Sentence13: That'll do. Thank you. Good bye. Sentence14: Thank you, and have a great day! Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System

Ex Input:
Sentence1: Thank you for using our service today, and have a wonderful stay in Cambridge! Sentence2: Are there any hotels in the same price range? Sentence3: Yes, in west Cambridge. Sentence4: I cannot find anything in cambridge. Sentence5: Can you find me a 3 star hotel with free wi-fi? Sentence6: What day are you beginning your stay? How many days and how many people do you want to make a booking for? Sentence7: I need it for 4 people for 4 nights starting Monday please. Sentence8: yes, please and be sure to provide me the booking number, thank you. Sentence9: That will be all. Thank you for your help. Sentence10: I found Hobsons House guesthouse in the west. It is a 3 star moderate and has free internet. Can I book it for you? Sentence11: The lensfield hotel is expensive and has a 3 star rating. Sentence12: The Hobson in not open, but I have the Hamilton open, would you like me too book it, it fits the same criteria. Sentence13: I have 3 guesthouses all in the moderate price range. Is there a particular area you wish to stay in? Sentence14: Is there a guesthouse available? Sentence15: Yes please and I need the reference number Sentence16: Great. You're all booked and your reference number is UMRJOUWZ . Anything else I can do for you? Question: Who has spoken the sentence 11? (A) User (B) System

Ex Output:
Answer: (B) System