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

Example Input: Sentence1: Yes, please. For 5 people at 14:00 on monday. Sentence2: The camboats are located in the east, how's that? Sentence3: I do not have information on the fee. Sentence4: Ok, thank you. I'm also looking for a restaurant called don pasquale pizzeria. Sentence5: Your booking was successful with reference number 1RF57JD7 . Oh, by the way, your table will be reserved for 15 minutes. Enjoy! Sentence6: Have a lovely stay in Cambridge! Sentence7: Thank you for the reference number. Goodbye! Sentence8: That might be good. What is the entrance fee? Sentence9: Don Pasquale is in the centre. Would you like me to make a reservation? Sentence10: I'm looking for some boats in the East, actually. Question: Who has spoken the sentence 7? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: The Hotpot is an expensive Chinese restaurant in that area. Sentence2: Great can I get their phone number as well please? Sentence3: You're quite welcome! Thanks for contacting the Cambridge TownInfo Centre and have a great day! Sentence4: Would you like to eat Asian Oriental, Chinese, European, or French? Sentence5: No thank you. Have a great day! Sentence6: I am looking for an expensive place to dine in the north. Sentence7: The phone number for the hotpot is 01223366552, would you like me to book you a table? Sentence8: I think Chinese may have caught my attention. Question: Who has spoken the sentence 1? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: I need a departure are and destination please Sentence2: I have both cheaply and moderately priced guesthouses to choose from. Do you have a preference? Sentence3: I also need a train. Sentence4: I have booked you for 2 people for 5 nights at acorn guest house. The address is 154 chesterton road and their phone number is 01223353888. Will there be anything else? Sentence5: I am looking for information in Cambridge Sentence6: must have free wi fi Sentence7: Great, Can you please book me for 2 people and 5 nights starting tuesday? Sentence8: We need to find a guesthouse in the north for our stay. Sentence9: If you need to contact the police you can phone them at 01223358966. Or, is there some specific information I can help you with? Sentence10: There's quite a few. I personally like the acorn guest house. It's 4 stars with internet access. It's located at 154 chesterton road. Question: Who has spoken the sentence 4? (A) User (B) System
Example Output:
Answer: (A) User