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

Example Input: Sentence1: The El Shaddai Hotel is located at 41 warkworth street, would yo+u like the phone number? Sentence2: Thank you, goodbye. Sentence3: Can I book a stay there for 1 person for 5 nights starting tuesday please? Sentence4: Nope, that'll do it. Thanks for your help! Sentence5: Your booking was successful, reference number is 8T4AJ6P9, 1 person for 5 nights starting Tuesday at the El Shaddai. Can I help you with anything else? Sentence6: Hello, I would like to find the el shaddai hotel. Can you help me? Question: Who has spoken the sentence 3? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: I would actually like to book it for 8 people, not 3. Sentence2: Could you reserve the one in the centre of town for 3 nights starting Monday? There will be 3 of us. Sentence3: You're welcome. Glad to help! bye bye! Sentence4: Sure no problem. So the hotel is huntingdon marriott hotel and your reference number for the booking is 34BAQ2WK . Is there anything else I can help? Sentence5: I am looking for a hotel in the expensive price range. Sentence6: Unfortunately, I wasn't able to book you for the day and time you wanted. Would another day or time be alright? Sentence7: No, it doesn't matter. I would like a 4 star hotel with free parking though. Sentence8: That's great. I'm all set , thank you! Sentence9: There are 5 expensive hotels available. Did you have a preference as to area of the hotel? Sentence10: There are two, one in the west and one the centre of town. Sentence11: I couldn't book that one either. Would you like to change your criteria? Sentence12: Okay, could you try the other one, please? Question: Who has spoken the sentence 1? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Any area is fine, as long as the place has free wifi. Sentence2: There are no hotels in the moderate price range with a 4 star rating. Is there another price range or star rating that you would like me to check? Sentence3: Yes, I will also need free parking. Sentence4: Find me a place to stay. I need a hotel in the moderate price range with a star of 4. Sentence5: Will you need free parking as well? Sentence6: What area of town interests you most ? Question: Who has spoken the sentence 1? (A) User (B) System
Example Output:
Answer: (B) System