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: There are no architectural attractions anywhere in town? Sentence2: Alexander bed and breakfast is available, would that work for you? Sentence3: from what day should i book? Sentence4: Yes, I am looking for an expensive place to stay that includes free parking. Sentence5: Sure, that sounds good. Could you give me the information on All Saints Church? Sentence6: All saints church is listed as architecture, would you like to go there? Sentence7: I could not find any attraction that match your request. Can I look for museums? Sentence8: I'm just looking for something that is a guesthouse in the cheap price range. Sentence9: Sure! I have a few places in mind, but can you tell me if you prefer a particular area? Sentence10: No that was it. Thank you so much for your help. Sentence11: It is in the centre located at Jesus Lane and the entrance is free. Their phone number is 01223452587 and the postcode is cb58bs? Anything else I can help with? Sentence12: Starting Thursday. Sentence13: I'm looking for any type of architectural attractions in town. Do you have any recommendations? Sentence14: You have a room booked for Thursday. Reference number is U3DO9AJP . Can I help with anything else? Sentence15: Thank you and goodbye. Sentence16: can you book for 4 people 5 nights and get me the reference number please? Question: Who has spoken the sentence 6? (A) User (B) System

Output: Answer: (A) User

Input: Consider Input: Sentence1: There are 2 expensive French restaurants. Restaurant Two Two, and Cote. Which would you like to book? Sentence2: No, that's everything I needed today. Thank you. Sentence3: Are you able to find me a french expensive restaurant? Sentence4: You're quite welcome! Thanks for contacting the Cambridge TownInfo Centre and have a great day! Sentence5: I like the sound of Restaurant Two Two, could you give me their postcode, address and phone number? Sentence6: Restaurant Two Two is located at 22 Chesterton Road, Chesterton. Their postcode is cb43ax. You can reach them at 01223351880. Any other information I can provide? Question: Who has spoken the sentence 5? (A) User (B) System

Output: Answer: (B) System

Input: Consider Input: Sentence1: Yes, can you also help me find a hotel that has free parking and is expensive? Sentence2: What day and from where? Sentence3: I would like a 4 star hotel. Location isn't important, just quality hotel. Sentence4: Sure! Let's narrow it down a bit. Any preferences on location or star rating? Sentence5: The University Arms sounds good. I'd like to book 4 nights for 1 person, beginning on Friday. And I'll need the reference number, please. Sentence6: You are welcome. Thank you for using our service! Sentence7: We have a train departing from Kings Lynn, Friday at 15:11 which will be arriving at 15:58. The price is 9.80 pounds and the total duration of the trip would be 47 min. Would you like me to book this for you? Sentence8: Thank you for all the information. I would like to book this. Sentence9: The Huntingdon Marriott and the University Arms are both expensive 4-star hotels with free internet and parking. Is either of these of interest to you? Sentence10: That should be it, thanks! Sentence11: I would like it to have free parking and internet. Sentence12: I am leaving Friday from Kings Lynn. Sentence13: You booking was successful. Your reference number is XWZQ8GBA . What else can I help you with? Sentence14: Consider it done. It has been booked. Anything else? Sentence15: Hi, I am looking for a train that will be arriving by 16:00 in Cambridge. Sentence16: Sure thing! There are 21 four star hotels. Do you have any other needs, like internet, parking, or price range or style? Question: Who has spoken the sentence 14? (A) User (B) System
Output: Answer: (A) User