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

Input: Consider Input: Sentence1: I can book you at the university arms hotel. It has a 4 star rating, free parking and wifi. Does this interest you? Sentence2: What will be the first day you will stay and how long will you be staying? Sentence3: I'm sorry but you'll have to book another day or a shorter stay. When would you like to stay? Sentence4: Yes. That would be great. Sentence5: Awesome, thanks! I think that takes care of everything I needed. Sentence6: Booking completed! Please look out for a Grey BMW, their contact number is 07130839627. Is there anything else I can help with? Sentence7: Certainly. I have many available. Is there a particular area you are looking in? I have several in the west and centre. Sentence8: Can you see if they have just 1 night available? Sentence9: I want to stay for 5 nights starting on Tuesday. Sentence10: Corpus christi is 2 pounds, which is in centre. Sentence11: Can you give me the entrance fee for one of the colleges in the centre? Sentence12: Okay great please enjoy your stay and don't hesitate to call us back if you need anything else. Sentence13: I am traveling to Cambridge and excited about seeing location attractions. Could you help me find a place to go, like a college? Sentence14: I need a taxi please between the 2 places. I want to leave the attraction by 2:30. Sentence15: Your booking was successful with a reference number of S1HTVV32 . Is there anything else I can do for you today? Sentence16: I'm also looking for a hotel in the centre. I don't want to stay in a guesthouse. It needs to be a hotel. Question: Who has spoken the sentence 3? (A) User (B) System

Output: Answer: (B) System

Input: Consider Input: Sentence1: Was there anything you were specifically interested in? For example there are museums and nightclubs. Sentence2: Sorry, actually I need an expensive restaurant as well. Sentence3: thanks that is all i needed for today Sentence4: I am looking for something to do later in the centre of town. Sentence5: Thank you, that is all. Sentence6: Do you have a specific one in mind? Sentence7: Emmanuel Colleges number is 01223334200, and it is located on Saint Andrew's Street. Do you have any other questions? Sentence8: Okay what type of food would you like to eat and in what area please? Sentence9: There are five expensive european restaurants in Cambridge. I suggest eraina, which is also in the centre. Sentence10: I want to try european food wherever it may be. Sentence11: You're welcome! Have a great time! Sentence12: I would like to go to a college in the centre of town. Sentence13: Great. Thanks for letting us assist you today! Sentence14: No, any one will be find. Will you pick one for me and send me the address information and phone number? Question: Who has spoken the sentence 8? (A) User (B) System

Output: Answer: (A) User

Input: Consider Input: Sentence1: I am sorry I cannot see the reviews. I can give you their phone numbers and you may call them if you like. Sentence2: Nope, that would be it. Thanks for all the help, have a nice day! Sentence3: Booking was successful. The table will be reserved for 15 minutes. Reference number is : K3EBX9QT . The booking is at the Golden Curry. Need anything else? Sentence4: Id like to eat at an expensive Indian place, know any? Sentence5: There are 6 Indian restaurants that fit this. Would you like me to book one for you? Sentence6: There are many to choose from,can I get what area you would like the restaurant to be at to narrow it down? Sentence7: Yes, which of them have the best reviews? Sentence8: Thank you for using Cambridge TownInfo centre. Sentence9: Can you see which ones have availability Sunday at 19:15 for 2 people? Sentence10: How about in the city centre? Question: Who has spoken the sentence 9? (A) User (B) System
Output: Answer: (B) System